Academic record & distinction

MSc, MPhil, PhD (School of Environmental Sciences, Jawaharlal Nehru University)
PhD Topic: “Effect of Crop Residue Burning on the Ambient Aerosol Characteristics in Rural Areas: A Case Study of Shahabad Region of Bihar”

Areas of Specialization

Cryosphere and Climate Change Studies, Environmental Sciences, Remote Sensing & GIS

Latest Publications:

1. Sattar, A., Cook, K.L., Rai, S.K., Berthier, E., Allen, S., Rinzin, S., Van Wyk de Vries, M., Haeberli, W., Kushwaha, P., Shugar, D.H., Emmer, A., Haritashya, U.K., Frey, H., Rao, P., Gurudin, K.S.K., Rai, P., Rajak, R., Hossain, F., Huggel, C., Mergili, M., Azam, M.F., Gascoin, S., Carrivick, J.L., Bell, L.E., Ranjan, R.K., Rashid, I., Kulkarni, A.V., Petley, D., Schwanghart, W., Watson, C.S., Islam, N., Gupta, M.D., Lane, S.N., and Bhat, S.Y.., 2025. The Sikkim flood of October 2023: Drivers, causes and impacts of a multihazard cascade. Science.
2. Kumar, P., Sharma, K., Malu, A., Rajak, R., Gupta, A., Baruah, B., Yadav, S., Angchuk, T., Sharma, J., Ranjan, R.K. and Misra, A.K., 2024. Measurement report: Intra-annual variability of black carbon and brown carbon and their interrelation with meteorological conditions over Gangtok, Sikkim. Atmospheric Chemistry & Physics, 24(20).
3. Sharma, K., Kumar, P., Sharma, J., Thapa, S.D., Gupta, A., Rajak, R., Baruah, B., Prakash, A. and Ranjan, R.K., 2023. Characterization of Polycyclic Aromatic Hydrocarbons (PAHs) associated with fine aerosols in ambient atmosphere of high-altitude urban environment in Sikkim Himalaya. Science of the Total Environment, 870, p.161987.
4. Yadav, S.K., Attry, B., Shukla, S., Dutta, S., Sharma, K., Rajak, R., Gupta, A., Baruah, B. and Ranjan, R.K., 2024. Distribution, toxicity load and risk assessment of heavy metals in the groundwater of Dhemaji, Assam, India. Chemosphere, pp.141979-141979.