Dr. N. Janardhana Raju
Alexander von Humboldt Fellow
Professor                 
School of Environmental Sciences
Jawaharlal Nehru University              
New Delhi – 110 067

Phone: +91-9910629336 (cell)  +91 11 26704257 (O)
E-mail:
rajunj7@gmail.com  rajunj@mail.jnu.ac.in    

                                                                                                            

Area of Specialization:  Hydrogeology, Environmental Geochemistry & Water Resources Management

Educational Qualification:

  • Ph.D. (Hydrogeology), 1991, Sri Venkateswara University, Tirupati.
  • M.Phil., (Hydrogeology-First Class), 1990, Sri Venkateswara University, Tirupati.
  • M.Sc., (Geology-First Class), 1985, Sri Venkateswara University, Tirupati.
  • B.Sc., (Geol.,Phy.&Chem.-First Class), 1983, Sri Venkateswara University, Tirupati

Teaching Experience: 25 years (Since 1988)

  • Handling M.Sc., and M.Phil/Ph.D classes in the School of Environmental Sciences, Jawaharlal Nehru University, New Delhi-110067 since 2009.
  • Handled M.Sc., and B.Sc. classes in the Department of Geology, Banaras Hindu University, Varanasi, 2004-2009.
  • Handled B.Sc. (Tech) classes (Hydrogeology, Engineering Geology and Geological Map Interpretation) in the Department of
  • Earth Sciences, University of Asmara, Eritrea, North East Africa from January 2001- January 2002.
  • Handled M.Sc., classes in Geology, S.V. University, 1994-2004.
  • Handled B.Tech., Civil Engineering classes in Geology, SVU Eng. College, 1994-2004.
  • Handled B.Sc., Degree classes for BRA Open University, Tirupati (1988-`93).

Research Experience : 27 years (Since 1986) including 4 years as Post-Doctoral Fellow

  1. Alexander von Humboldt Fellow, Germany from October 1997 to February 1999.
  2. Research Associate (UGC, New Delhi) from December 1991 to March 1994.

Research Projects

  • PI for the UGC sponsored project "Water Quality in the Swarnamukhi River Basin and Role of Atmosphere CO2 Consumption in Surface and Subsurface Processes in Water-Soil Interaction, 2013-2016.
  • PI for the UGC sponsored project "Potential fluorosis problems in parts of Sonbhadra District, Uttar Pradesh: its geochemistry, genesis and health implications", 2008-2011.
  • PI for the DST sponsored project entitled "Identification of arsenic contamination in ground waters in and around Varanasi environs and its mitigation", 2006-2008.
  • Sorption of oxo-anions on quartz sand/hydrous ferric oxide systems – batch and column tests during Alexander von Humboldt Fellowship, Germany during 1997-1999.

Awards/ Distinctions:

  • UGC-Research Associate, New Delhi, 1991.
  • Alexander von Humboldt Fellow, Germany, 1997.
  • DST-Young Scientist Project Scheme, New Delhi, 1997.
  • INSA-Brazil Bilateral Exchange Programme during 2005-2006.
  • Guest Professorship - Martin Luther University, Halle, Germany, 2012

Training Courses Attended

  • International GIS Training in 3D Hydrogeology and Environmental Geology, Halle University, Germany from 4-8th August 2008.
  • Groundwater flow Modelling in Hydrogeology, Halle University, Germany from 18-22nd August 2008.
  • Participated UGC sponsored 47th Orientation course at Banaras Hindu University, Varanasi during 6th Dec 2007 to 2nd Jan 2008.
  • Participated Training Course on the Use of Artificial Tracers in Unconsolidated Rocks at Munich University, Germany from 7-8th September 2001.
  • Participated Summer Course on "Groundwater Modelling an Introduction with PC" at Bremen University, Germany from 14.9.98 to 18.9.98.
  • Participated DST sponsored training course on "Late Quaternary Climate and Coastal Changes" at Andhra University, Visakhapatnam from 20-29th January, 1997.
  • Participated National Workshop on the present status of degradation of environment of the Eastern ghats – The Problems and perspectives, Aruku valley, Visakhapatnam from 28-30th August, 1990.
  • Participated course on" Hydrogeological and Geophysical Surveys under joint auspices of State Groundwater Department and Society of Training and Employment Promotion (STEP), Cuddapah from 6.4.1987 to 5.10.1987.

Technical Report

  • A technical report on"Detailed Hydrogeological surveys conducted at Ravalapalli village, Khajipet mandal, Cuddapah district of A.P. Submitted to Andhra Pradesh State Groundwater Department, Hyderabad, 1987.
  • A Report on "Selection of Water Sources along the Swarnamukhi River Course, Submitted to M/s Lanco Industries, Srikalahasti, Chittor District, 2001.
  • A Report on Hydrogeological Aspects of Amara Raja Factory Premises, Submitted to Amara Raja Batteries, Tirupati, Chittoor District, 2002

Extension Work

  • Selection of New Bore well sites under the Save the Crop Programme in Chittoor District, Andhra Pradesh, Jan. 2004.
  • Selection of suitable sites for the construction check dams & percolation tanks (for Artificial Recharge of Groundwater) in the drought prone Chittoor District, Andhra Pradesh, Sep. 2003, DWMA (The District Water Management Agency).
  • Selection of Sub-surface Dams in the Swarnamukhi River basin for Groundwater Development under the Swarnamukhi River Rejuvenation Programme, during 2000-2001.

Memberships/Fellowships in Professional Bodies

  • Life Member in the International Association for Mathematical Geosciences, USA
  • Life Member in The National Academy of Sciences, India(NASI) , Allahabad
  • Associate Fellow of Andhra Pradesh Akademi of Sciences(APAS) , Hyderabad
  • Member in International Association of Hydrological Sciences (IAHS), UK
  • Member in Internatinal Association of Hydrogeologists (IAH), UK
  • Life member in The Indian Science Congress Association (ISCA), Kolkata.
  • Life member in Indian Association of Hydrologists (IAH), Roorkee.
  • Fellow in the Geological Society of India, Bangalore.
  • Life member in Indian Society of Applied Geochemists, Hyderabad

Foreign Visits

  • Martin Luther University, Halle, Germany, 22nd May – 20th June 2012 (for Guest Professorship)
  • Martin Luther University, Halle, Germany, 22nd April – 20th July 2011 (for AvH Revisit Research Programme)
  • Toyama city, Toyama, Japan, 26th Oct. – 1st Nov. 2008. (for IAH2008 International Congress)
  • Martin Luther University, Halle, Germany, 1 - 31st August 2008 (for AvH Revisit Research Programme)
  • Federal University of Fluninense, Niteroi, Brazil, Nov. 2005 to Jan. 2006 (for INSA Bilateral Exchange Program)
  • Cairo, Egypt 2-4th Novembe 2001. (for Humboldt Colloquium)
  • Assiut University, Assiut, Egypt, 6th November 2001. (for interaction with Humboldt Faculty of Earth Sciences)
  • Ludwig Maximullian University, Munich, Germany, 10-14th September 2001. (for IAH 2001 International Congress)
  • Asmara University, Eritrea, NE Africa, Jan. 2001- Jan. 2002 (for Assistant ProfessorshipIII)
  • Heidelberg University, Heidelberg, Germany, Oct. 1997- Feb. 1999. (for Alexander von Humboldt Fellowship)

Conferences/ Seminars/ Short Term Courses/Workshops Organized

  1. Organizing 16th International Association for Mathematical Geosciences Conference on "Geostatistical and Geospatial Approaches for the Characterization of Natural Resources in the Environment: Challenges, Processes and Strategies", School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, during 17-20th October 2014 (www.jnu.ac.in/conference/iamg2014).
  2. Organized an International German Alumni Summer School India on Millennium Goals and Traditional Knowledge for Sustainable Development and Biodiversity Conservation in India, School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, during 17-25th April 2013.
  3. Organized a Indo-German Parterning Post-Kolleg Workshop on "3D GIS and Hydrogeological Flow Modelling" School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, during 10-12 February 2013.
  4. Organized International Humboldt Kolleg (IHK2013) on "Management of Water, Energy and Bio-resources in Changing Climate Regime: Emerging Issues and Environmental Challenges", School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, during 8-9 February 2013 (IHK2013).
  5. Organized a Training Programme on "Hydrogeochemical modeling assessment and management of urban & coastal groundwater", School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, during 17-23rd October 2011.
  6. Organized a short-term Training Programme on "GIS application in Hydrogeology and Environmental Geology" in the School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, during 16-18th February 2010.
  7. Organized a Training Programme on "Artificial Recharge to Groundwater" in the Department of Geology, Banaras Hindu University, Varanasi, during 20-21st October 2005.

Invited Lectures/Talks Delivered:

  • Delivered talk on Arsenic and Fluoride Geogenic Contamination in Groundwater in the Academic Staff College of 18th Refreshere Course in Environmental Sciences, JNU, 7.3.2013
  • Delivered talk on Water resource management in the Academic Staff College of 18th Refreshere Course in Environmental Sciences, JNU, 6.3.2013
  • Delivered Lecture on "Water management in Hard rock terrains" in the short term course on Remote Sensing and GIS Applications in Earth Sciences, S.V. University, Tirupati on 24.3.2013
  • Delivered talk on "Water resources management: Inconveniences and Remedies" in INSPIRE INTERNSHIP SCIENCE CAMP-2012, Tirupati on 16.10.2012
  • Delivered talk on "Water conservation and Rainwater harvesting" in Kamala Nehru College, New Delhi on 12.10.2012.
  • Delivered talk on "Management of water resources for sustainable development" in the Kamala Nehru College, New Delhi on 25th January 2012.
  • Delivered talk on "Research Methodologies and Interpretations in Hydrogeochemistry" at the Department of Geology, Aligarh Muslim University on 14.12.2012
  • Delivered talk on "Artificial Recharge methods for water development" in INSPIRE INTERNSHIP SCIENES CAMP-2011, Tirupati 11.12.2011
  • Delivered talks on "Artificial recharge & Rainwater harvesting and Groundwater prospecting" in the Department of Geology, Lucknow University, Lucknow on 21st November 2008.
  • Delivered lectures on Hydrogeology topics in the Centre of Advanced Study in Geology, Department of Geology, Lucknow University, Lucknow during 17 – 19th February 2007.
  • Delivered a talk on Water management studies in the Department of Geochemistry, Federal University of Fluminense, Rio de Janeiro, Brazil, 2005.
  • Delivered lecture on "Rainwater harvesting structures to recharge groundwater" in the Training progrmme on 'Artificial Recharge to Groundwater' held in BHU, Varanasi.
  • Lecture delivered on Artificical Recharge on the Water Conservation Day to the high school students in the S.V.U. Campus School, Sri Venkateswara University, Tirupati, 2002.
  • Delivered a talk on Rainwater Harvesting Structures to NCC students in S.V. Agricultural University Campus, Tirupati during their training programme, 2000.

Reviewer (Journals)

  • Environmental Monitoring and Assessment (EMAS), Springer
  • Hydrogeology Journal, Springer
  • Indian Journal of Geochemistry
  • Current Science
  • Journal of The Geological Society of India
  • Food and chemical toxicology
  • Medical Practice and Reviews
  • Journal of Ocenography and Marine Science
  • International Journal of Water Resources and Environmental Engineering
  • Environmental Earth Sciences
  • Journal of Earth System Sciences

International Collaborative Research

  1. A joint Alexander von Humboldt collaborative research programme with Prof. Peter Wycisk, Department of Hydrogeology and Environmental Geology, Martin Luther University, Halle, Germany on Hydrogeological and Environmental geochemical modeling aspects of urban & coastal groundwater systems and its 3D models studies is under progress.
  2. A joint INSA-Brazil collaboration research programme with Prof. S.R. Patchneelam, Department of Geochemistry, Federal University of Fluminense, Niteroi – RJ, Brazil on Radioisotope activities for the determination of age and resident time of groundwater and sediments and also advanced radioisotope application in estimating submarine groundwater discharge into the coastal aquifers to understand the coastal saline and groundwater relationships is under progress.
  3. A joint Alexander von Humboldt collaborative research programme with Prof. Margot Isenbeck Schroeter, Department of Environmental Geochemistry, Heidelberg University, Germany on chromium and arsenic contamination in Gangetic alluvium to understand major occurrence, process of contamination and sorption behavior of groundwater chromium and arsenic with sediments in Gangetic alluvium and their affects on human health is under progress.

Research Guidance:

  • Ph.Ds.(Awarded): 2 Ph.Ds (under supervision): 4
  • M.Phil (Awarded): 2 M.Phil (under supervision): 2
  • Master level dissertations: 12

Title of Ph.D thesis awarded:

Sangita Dey (2010). Hydrogeological and hydrogeochemical studies with reference to fluoride contamination in the Panda River basin, Sonbhadra district, U.P, India. (in Banaras Hindu University)
Prahlad Ram (2010). Hydrogeological investigation with special emphasis on groundwater pollution of lower Varuna basin, Varansi district, U.P, India. (in Banaras Hindu University)

Title of M.Phil thesis awarded:

Sadaf Nazneen (2011). Defluoridation of water using phytoremediation method. (in Jawaharlal Nehru University)
Priyanka Patel (2013). Hydrogeochemistry for the assessment of groundwater quality in western parts of Gurgaon region, India. (in Jawaharlal Nehru University)

Master Level dissertation

  • Hydrogeological assessment of groundwater quality of Terai region, Nepal (Deepa Gurung, 2013, JNU)
  • Hydrogeological study of groundwater in and around of Salt Lake, Kolkata, West Bengal, India (Sumeet Tsering, 2013,JNU)
  • Hydrogeochemical studies for the Assessment of Groundwater Quality in JNU New Campus, New Delhi, India (Anurag Chaudhary, 2012, JNU)
  • Evaluation of groundwater quality in Chopan block, Sonbhadra district, UP, India. (Priyanka Patel, 2011, JNU)
  • Aquatic geochemistry of lower Varuna River basin, Varansi district using graphical and multivariate statistical analysis (Varuna Yadav, 2010, JNU)
  • Hydrogeochemistry and occurrence of fluoride in and around Ramgarh ares, Sonbhadra district, UP. (Alok Kumar, 2009, BHU).
  • Spacial variability of groundwater chemical quality in Kachhnarwa to Wyndhamganj area of Sonbhadra district, UP (Maloshree Bhattacharya, 2009, BHU)
  • Chemical quality of groundwater in and around Kon area, Sonbhadra district, UP. (Santosh K Chaudhari, 2009, BHU).
  • Evaluation of hydro-geochemical parameters in Nagwa-Dasashwamedh area, Varanasi City, Department of Geology, BHU. (Vinay Nabiyal, 2008, BHU)
  • Hydrogeochemical studies in and around Kachnarva area, Sonbhadra district, Department of Geology, BHU. (Janmejoy Singh, 2007, BHU).
  • Hydrogeochemical investigations in and around Ram Nagar area, Varanasi city, Department of Environmental Sciences, BHU (Sneha Singh, 2007, BHU)
  • Hydro-geochemical investigation in BHU Campus, Department of Geology, BHU, Varanasi.(Tushar Sainger,2006, BHU)

Research Publications

  1. N. Janardhana Raju, TVK Reddy, P Muniratnam, Wolfgang Gossel, Peter Wycisk (2013). Managed Aquifer Recharge (MAR) by the construction of subsurface dams in the semi-arid regions: a case study of the Kalangi River basin, Andhra Pradesh, India. Journal of Geological Society of India, (In press).
  2. N. Janardhana Raju, Prahlad Ram and Wolfgang Gossel (2013). Evaluation of Groundwater Vulnerability in the lower Varuna catchment area, Uttar Pradesh, India using AVI concept. Journal of Geological Society of India (In press)
  3. N. Janardhana Raju, Sangita Dey, Wolfgang Gossel and Peter Wycisk (2012). Fluoride hazardous and assessment of groundwater quality in the semi-arid upper Panda river basin, Sonbhadra district, Uttar Pradesh, India. Hydrological Sciences Journal, 57(7): 1433-1452.
  4. DM Benerjee, A Mukherjee, SK Acharyya, D Chatterjee, C Mahanta, D Saha, S Kumar, M Singh, A Sarkar, CS Dubey, D Shukla and N. Janardhana Raju (2012). Contemporary Groundwater Pollution Studies in India: A Review. Proc Indian National Science Academy, 78(3):333-342.
  5. N. Janardhana Raju (2012). Arsenic exposure through groundwater in the middle Ganga plain in the Varanasi environs, India: A future threat. Journal of Geological Society of India, 79:302-314.
  6. N. Janardhana Raju (2012). Evaluation of hydrogeochemical processes in the Pleistocene aquifers of Middle Ganga Plain, Uttar Pradesh, India. Environmental Earth Sciences, springer, 65(4):1291-1308.
  7. N. Janardhana Raju, U.K. Shukla and Prahlad Ram (2011). Hydrogeochemistry for the assessment of groundwater quality in Varanasi: a fast urbanizing center in Uttar Pradesh, India. Environmental Monitoring and Assessment, springer. 173: 279-300.
  8. Shubhra Singh, N. Janardhana Raju and Gyan Sagar (2011). Process design for decentralized sewage treatment system with total natural resource management. International Journal of Water Resources and Environmental Engineering, 3(11): 233-237.
  9. S Sahu, N. Janardhana Raju and D Saha (2010). Active tectonics and geomorphology in the Sone-Ganga alluvial tract in mid-Ganga basin, India. Quaternary International, Elsevier, 227: 116-126.
  10. N. Janardhana Raju, TV Krishna Reddy and P. Muniratnam. (2010). Rainwater catchment structures to rejuvenate seasonal river course for augmentation of groundwater in alluvial aquifer in semi-arid region of Chittoor district, Andhra Pradesh, India. Proceedings of the workshop on "Climate change and its impacts on water resources-adaptation issues" Global Hydrogeological Solutions, Chandigarh, 23-24th November 2010.
  11. N. Janardhana Raju, Sangita Dey and Kaushik Das (2009). Fluoride contamination in groundwater of Sonbhadra district, Uttar Pradesh, India. Current Science, 96(7): 979-985.
  12. N. Janardhana Raju, Prahlad Ram and Sangita Dey (2009). Groundwater quality in the lower Varuna River basin, Varanasi district, Uttar Pradesh, India. Journal of Geological Society of India, 73: 178-192.
  13. U.K. Shukla and N. Janardhana Raju (2008). Migration of Ganga River and its implication on hydro-geological potential of Varanasi area, U. P. Journal of Earth System Sciences, Springer. 117(4): 489-498.
  14. N. Janardhana Raju (2007). Hydrogeochemical parameters for assessment of Groundwater quality in the upper Gunjanaeru River basin, Cuddapah district, Andhra Pradesh, South India. Environmental Geology, Springer. 52(6): 1067-1074.
  15. N. Janardhana Raju, Margot I. Schroeter and Max Kofod (2007). Mobility and Retention of Oxoanions in Iron Hydroxide Sandy Aquifers - Batch and Column Tests. Indian Journal of Geochemistry, 22: 257-273.
  16. N. Janardhana Raju (2007). A seasonal wise estimation of TDS from EC and SiO2 in groundwaters of upper Gunjanaeru river basin, Cuddapah district, Andhra Pradesh. Current Science, 92(3): 371-376.
  17. N. Janardhana Raju and T.V. K. Reddy (2007). Environmental and urbanization affect on groundwater resources in a pilgrim town of Tirupati, Andhra Pradesh, South India. Journal of Applied Geochemistry, 9(2): 212-223.
  18. N. Janardhana Raju, T.V.K. Reddy and P. Muniratnam (2006). Subsurface Dams to Harvest Rainwater – A Case of Swarnamukhi River basin, Southern India. Hydrogeology Journal, Springer. 14: 526-531.
  19. N. Janardhana Raju and T.V.K. Reddy (2006). Urban development and the looming water crisis – A case study. In: Culshaw M.G., Reeves H.J., Jefferson I and Spink T (eds.), Engineering Geology for Tomorrow's cities. The Geological Society of London, pp. 1-5.
  20. N. Janardhana Raju, S.S.S. Muntaz Vali and A.S. Sudheer (2006). Evaluation of chemical quality of groundwater in the upper Pillaperu River basin, Nellore district, Andhra Pradesh. Indian Journal of Geology. 78(1-4): 229-240.
  21. N. Janardhana Raju (2006). Seasonal evaluation of hydro-geochemical parameters using correlation and regression analysis. Current Science. 91(6): 820-826.
  22. N. Janardhana Raju (2006). Iron contamination in groundwater: A case from Tirumala-Tirupati environs, India. The Researcher. 1(1): 28-31.
  23. N. Janardhana Raju, M. Kofod, V. Haury, Margot I. Schroeter and B. Kotaiah (2005). Sorption of oxianions (chromate & phosphate) on quarty sand/hydrous ferric oxide systems – A laboratory simulation. Journal of Indian Association of Environmental Management. 32(2): 50-52.
  24. N. Janardhana Raju (2005). Fast Decline of Water Levels in Urban Tirupati, Chittoor District, Andhra Pradesh. Journal of Geological Society of India. 65(6): 773-775.
  25. N. Janardhana Raju and R.N. Tiwari (2005). Rainwater harvesting structures to recharge groundwater. Modules for Training on Artificial Recharge to Groundwater (CGWB). Varanasi, pp. 41-50.
  26. C.V. Reddy, N. Janardhana Raju, B. Kotaiah and A.V. Reddy (2004). Assessment of Leachate Chemical constituents from Tirupati Municipal solid waste – A Laboratory Simulation study. Indian Journal of Geochemistry. 19: 295-300.
  27. N. Janardhana Raju, S.S. Reddy and T.V.K. Reddy (2001). Identification of groundwater resources in parts of drought prone Rayalaseema region, Andhra Pradesh, India. Proceedings (Supplement) of New Approaches Characterizing Groundwater flow, Seiler & Wohnlich (eds.,); XXXI. IAH Congress, Munich 2001, Germany. p 1-5.
  28. M.R. Reddy, N. Janardhana Raju, Y.V. Reddy and T.V.K. Reddy (2000). Water resources development and management in the Cuddapah district, Andhra Pradesh, India. Environmental Geology, Springer, 39(3/4): 342-352.
  29. German Mueller, D. Eggersgluess and N. Janardhana Raju (2000). Heavy metal (Cd, Cu, Pb, Cr, Zn, Hg) concentrations in tobacco of commonly smoked cigarette brands purchased in Germany, China, Russia, India and Canada. 11th Annual International Conference on Heavy metals in the Environment, 2000 (J Nriagu, Editor). Contrib.#1241. Univers. of Michigan, School of Public Health, Ann Arbor, MI.
  30. N. Janardhana Raju, M. Kofod, M. Isenbeck-Schroeter and G. Mueller (1999). Heavy metal content of Indian cigarettes. Toxicological and Environmental Chemistry, 72: 215-219.
  31. N. Janardhana Raju and T.V.K. Reddy (1998). Fracture pattern and electrical resistivity studies for groundwater exploration. Environmental Geology, Springer, 34(2/3): 175-182.
  32. T.V.K. Reddy, S.S. Reddy and N. Janardhana Raju (1996). Delineation of groundwater resources in drought prone area of Upper Godduvanka river basin, Chittoor district, Andhra Pradesh using electrical resistivity method. Water Science and Technology, 16/2: 211-222.
  33. N. Janardhana Raju, T.V.K. Reddy and P.T. Nayudu (1996). Electrical resistivity surveys for groundwater in the Upper Gunjanaeru Catchment, Cuddapah district, Andhra Pradesh. Journal of Geological Society of India. 47(6): 705-716.
  34. P.C. Reddy, B. Rangamannar and N. Janardhana Raju (1995). Determination of chromium by Radiochemical displacement. J.Radiochem. Nucl. Chem. Letters. 200(2): 119-126.
  35. N. Janardhana Raju, T.V.K. Reddy, B. Kotaiah and P.T. Nayudu (1995). Hydrogeomorphology of the Upper Gunjanaeru river basin, Cuddapah district, Andhra Pradesh using remote sensing techniques. Journal of Applied Hydrology. VIII(1-4): 99-104.
  36. N. Janardhana Raju, T.V.K. Reddy, P.T. Nayudu and G.J. Reddy (1995). Morphometric analysis of the Upper Gunjanaeru river basin, Cuddapah district, Andhra Pradesh. The National Geographical Journal of India. 41(2): 145-153.
  37. T.S. Rao and N. Janardhana Raju (1995). Hydrogeochemical parameters for delineation of salt water contamination zones in Upper Nagari basin, Chittoor district, Andhra Pradesh. Encology. 10(6): 34-38.
  38. N. Janardhana Raju, T.V.K. Reddy, P.T.Nayudu and B.Kotaiah (1994). Estimation of aquifer parameters and groundwater balance of the Upper Gunjanaeru river basin, Cuddapah district, Andhra Pradesh. BHU-JAL News. 9(1): 11-15.
  39. P.T. Nayudu, N. Janardhana Raju and B. Kotaiah (1994). Suggestive treatment methods for the temple tank waters of Tirupati and Tirumala, Andhra Pradesh. Proceedings of Forests, Wild life and Environment, pp. 277-285.
  40. T.V.K. Reddy, N. Janardhana Raju, B.Kotaiah (1993). Multiple regression models for the estimation of TDS from SEC and SiO2 in surface and groundwater samples of Tirupati region, Andhra Pradesh. Fresenius Environmental Bulletin. 2(11): 641-646.
  41. D.V.R. Raju, N. Janardhana Raju and B. Kotaiah (1993). Complexation of fluoride ions with alum-flocs at various pH values during coagulation and flocculation. Journal of Geological Society of India. 42: 51-54.
  42. S.S. Reddy, K.S.S. Prasad, N. Janardhana Raju, T.V.K. Reddy and P.T. Nayudu (1993). Resistivity surveys for groundwater exploration in the Palar basin, Chittoor district, Andhra Pradesh. Journal of Institution of Engineers (India). 73: 180-184.
  43. N. Janardhana Raju, T.V.K. Reddy, B. Kotaiah and P.T.Nayudu (1992). A study on seasonal variations of groundwater quality in Upper Gunjanaeru river basin, Cuddapah district, Andhra Pradesh. Fresenius Environmental Bulletin. 1(13): 98-103.
  44. N. Janardhana Raju (1992). Hydrogeology of the Upper Gunjanaeru river basin, Cuddapah district, Andhra Pradesh, India. Groundwater, 30(4): 630.
  45. C.V. Reddy, B.Kotaiah and N. Janardhana Raju (1992). A study on groundwater quality near a municipal solid waste disposal site at Tirupati, Andhra Pradesh, India. Fresenius Environmental Bulletin, 1(13): 93-97.
  46. N. Janardhana Raju, B.Kotaiah and T.V.K.Reddy (1991). Biogeochemical aspects in and around a sewage farm at Tirupati, Andhra Pradesh, India. Environmental Conservation. 18(3): 267-269.
  47. T.V.K. Reddy, N. Janardhana Raju and R.J.Rao (1991). A study of relationship between electrical resistivity and alkalinity of groundwater. Indian Water Works Association. XXIII(1): 1-5.
  48. N. Janardhana Raju and B. Kotaiah (1990). Environmental quality of Tirupati – A fast urbanising centre in Andhra Pradesh, India. Asian Environment. 12(3): 67-75.
  49. N. Janardhana Raju, P.T.Nayudu, T.V.K. Reddy and V.K. Reddy (1990). Correlation among the selected well water quality parameters of Upper Gunjanaeru river basin of Cuddapah district, Andhra Pradesh. Asian Environment. 12(3): 78-82.
  50. N. Janardhana Raju, T.V.K. Reddy, S.S. Reddy and P.T.Nayudu (1990). Regression models between total dissolved solids (TDS), silica (SiO2) and specific electrical conductivity (SEC) for well water of Upper Gunjanaeru river basin, Cuddapah district, Andhra Pradesh. Indian Water Works Association. XXII(1): 123-126.
  51. N. Janardhana Raju and T.V.K. Reddy (1989). Hydrogeological aspects of Ravalapalle – A drought prone village, Cuddapah district, Andhra Pradesh. The National Geographical Journal of India. 35(3): 222-226.

Chapters Contributed to Books

  1. M. Kofod, H. Verena, N. Janardhana Raju and Margot I Schroeter (2002). Oxoanion transport in aquifers containing iron hydroxide – modeling of column experiments with PHREEQC2. In: H.D. Schulz and G. Teutsch (eds.), Geochemical Processes: Conceptual models for reactive transport in soil and groundwater. Vol. 1, 215-228.

Edited Books/Journals

  1. Indian Journal of Geochemistry, Varanasi - on a topic entitled Recent Trends in Hydrogeochemistry (2007).
  2. IHK2013 edited volume (Springer Publications) – Management of Water, Energy and Bio-resources in the Era of Climate Change: Emerging Issues and Challenges (2013).

Conferences/ Seminars/ Workshops Attended

  1. Paper presented in International German Alumni Summer School India on Millennium Goals and Traditional Knowledge for Sustainable Development and Bio-diversity Conservation in India, Jawarharlal Nehru University, New Delhi (17-24th April 2013).
  2. Paper presented in International Humboldt Kolleg on Management of Water, Energy and Bio-resources in Changing Climate Regime: Emerging Issues and Environmental Challenges, Jawaharlal Nehru University, New Delhi (8-9th February 2013)
  3. Paper presented in Indo-Australiam Workshop On Arsenic, Jawaharlal Nehru University, New Delhi (3-4th October 2012).
  4. Paper presented in International Seminar on "Grundwasserschutz und Grundwassernutzung Modelle, Analysen und Anwendungen" Technische Universitat Dresden, Germany (16-20 May 2012).
  5. Paper presented in National Seminar on "Climate change and sustainable management of water resources", GITAM University, Visakhapatnam (17-18th March 2012).
  6. Paper presented in National Seminar on "Geology and Geo-resources of Himalaya and Craton regions of India", Kumaun University, Nainital (10-12th March 2012).
  7. Paper presented in National Seminar on "Recent advances and future challenges in Geochemistry and Geophysics: the Indian scenario", Banaras Hindu University, Varanasi (22-24th February 2012).
  8. Paper presented in International Humboldt Kolleg on 'Adaptive management of Ecosystems: The knowledge systems of societies for adaptation and mitigation of impacts of Climate Change', ISEC, Bangaluru (19th -21st October 2011).
  9. Participated in the DST (NRDMS) Workshop on BAOLIS (Step wells) of Delhi, Indian International Center, New Delhi (5th October 2011).
  10. Paper presented in the Humboldt Kolleg and International Conference on "Earth Future" Periyar University, Salem (7-9th September 2011).
  11. Paper presented in the two days International Workshop on "Water resources: Impact on agriculture, health and environment" Jawaharlal Nehru University, New Delhi (11-12th January 2011).
  12. Paper presented in the two days National Workshop on "Climate change and its impacts on water resources- adaptation issues", Panjab University, Chandigarh (23-24th November 2010).
  13. Paper presented in the 2 days National Workshops on "Arsenic contamination in groundwater source, migration and mitigation: Future Research Needs", IISWBM, Kolkata (23-24th July 2010).
  14. Paper presented in the Joint International Convention of the "8th IAHS Scientific Assembly and 37th IAH Congress", NGRI, Hyderabad, India (6-12th September 2009).
  15. Participated in National Workshop on "Review of Environmental Sciences Curriculum at M.Sc., Level" Jawaharlal Nehru University, New Delhi (27-28th February 2009).
  16. Paper presented in International conference & Humboldt-Kolleg on "Structural characterization and spectroscopy of materials revevant to nanotechnology, biomedical and geo-biology" Banaras Hindu University, Varanasi (7-9th November 2008).
  17. Paper presented in the XXXVI IAH Congress on "Integrating Groundwater Science and Human Well-being", Toyama; Japan (26th Oct-1st Nov. 2008).
  18. Paper presented in the DST's Workshop on "Research initiatives under e-hydrology" IIT New Delhi (21-22nd April 2008)
  19. Paper presented in the Humboldt Kollege on "Global warming", Kumaun University, Nainital (8- 10th, June 2007)
  20. Paper presented in the National Seminar on "Recent Trends in Earth Sciences", S.V. University, Tirupati (2nd-3rd April 2004).
  21. Participated in "JAL SANGRAH SHIBIR", IIT Powai, Mumbai (6-7th, December 2003).
  22. Participated in "Humboldt Colloquium", Cairo, Egypt (2-4th November 2001).
  23. Paper presented in "XXXI. IAH congress on New Approaches to Characterising Groundwater Flow, Ludwig Maximullian University, Munich, Germany (10-14th September 2001)
  24. Paper presented in "International Seminar on Analytical Techniques in Monitoring the Environment, Sri Venkateswara University, Tirupati (18-20th, December 2000).
  25. Paper presented in "National Seminar on India Traditional Water Science entitled Traditional and Scientific methods in Groundwater Exploration – A Study". S. V. University, Tirupati (27-28th, January 1996).
  26. Paper presented in "X Annual Congress on Man and Environment entitled Estimation of Iron content in groundwater of Tirupati-Tirumala environs, Chittoor district, Andhra Pradesh". National Institute of Oceanography, Goa (8-10th, March 1995).
  27. Paper presented in UGC National Seminar on Prospection for Groundwater in Different Terrain's of India and Seventh Annual Conference of NESA, Sri Venkateswara University, Tirupati (28-31st, December 1990).
  28. Participated National Workshop on the present status of degradation of environment of the Eastern ghats – The Problems and perspectives, Aruku valley, Visakhapatnam (28-30th, August 1990).
  29. Paper presented in 22nd Annual Convention of the Indian Water Works Association, Pune (18-20th,January 1990).
  30. Paper presented in National symposia on Forests, Wild life and Environment, Andhra University, Visakhapatnam (3-5th, June 1989).

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