• Ph.D. Geology, Department of Geology, Sikkim University, Gangtok, Sikkim
• M.Sc. Geology, Department of Geology, Sikkim University, Gangtok, Sikkim
• B.Sc. (Hons.) Geology, Department of Geology, Banaras Hindu University, Varanasi
- Igneous and Metamorphic Petrology
- Geochemistry and Isotope Geology
- Himalayan Geology and Geochronology
- Environmental Geochemistry
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Assistant Professor, University of Ladakh, Leh (March 2025-September 2025)
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Research experience of working under the Ministry of Earth Sciences Project (MoES) Resolution of Himalayan and Pre-Himalayan Metamorphisms in the Kumaun Himalaya, Banaras Hindu University, Varanasi (August 2023-November 2024)
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Senior Research Fellow (SRF), Ministry of Earth Sciences (MoES) sponsored project P-07/727: “Resolution of Himalayan and Pre-Himalayan Metamorphisms in the Kumaun Himalaya”, Banaras Hindu University, 2023
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Council of Scientific and Industrial Research National Eligibility Test (Earth, Atmospheric, Ocean, and Planetary Sciences), 2019- Lectureship
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Graduate Aptitude Test in Engineering (GATE) in Geology and Geophysics, 2018
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Innovation in Science Pursuit for Inspired Research (INSPIRE) Fellowship (JRF) for Ph.D. by the Department of Science and Technology (DST), August 2017
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Gold Medal in M.Sc. Geology, Sikkim University, Gangtok, Sikkim, 2016
Collaborative association with Prof. Nigel Harris, Emeritus Professor, School of Environment, Earth & Ecosystem Sciences, The Open University, Milton Keynes, United Kingdom (UK) and
Dr. Catherine Mottram, Associate Professor, School of the Environment, Geography and Geosciences, University of Portsmouth, UK, for research and analytical work related to Himalayan geochemistry and geochronology.
Srivastava, T., Harris, N., Mottram, C., Joshi, K. B., & Wanjari, N. (2024). From source to emplacement: The origin of leucogranites from the Sikkim-Darjeeling Himalayas, India. Geoscience Frontiers, 15(1), 101733. https://doi.org/https://doi.org/10.1016/j.gsf.2023.101733
Srivastava, T., & Wanjari, N. (2024). Copper and its isotopes: a brief overview of its implications in geology, environmental system, and human health. Isotopes in Environmental and Health Studies, 1–26. https://doi.org/10.1080/10256016.2024.2410290
Srivastava, T., & Wanajri, N. (2023). Boron Isotopic Systematics and Its Significance in Natural Processes: An Overview. Nature Environment and Pollution Technology, 22, 623–637. https://doi.org/10.46488/NEPT.2023.v22i02.007
Srivastava, T., Joshi, K. B., & Wanjari, N. (2022). Boron Isotopic composition of Pegmatitic Tourmaline from Yumthang Valley, North Sikkim, India - Geochemical Treasures and Petrogenetic Processes (J. S. Armstrong-Altrin, K. Pandarinath, & S. K. Verma (eds.); pp. 187–206). Springer Nature Singapore. https://doi.org/10.1007/978-981-19-4782-7_8
Patel, S., Joshi, M., Oinam, G., Das, B. P., Kumar, A., & Srivastava, T. (2025). Magmatic evolution of the Paleoproterozoic A2-type granite along the northern Indian margin: insights from geochemistry and U-Pb geochronology of Baijnath Klippe, NW Himalaya. Geological Magazine, 162, e5. https://doi.org/10.1017/S0016756824000530
Mallickarjun, J., Patel, S., Das, B. P., Oinam, G., Srivastava, T., & Kumar, A. (2025). P–T evolution of Paleoproterozoic Dangoli pelitic gneisses, Baijnath Klippe, NW Himalaya: Insights from the geochemistry and zircon U–Pb geochronology. Island Arc, e70008. https://doi.org/10.1111/iar.70008
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