Aggarwal, Suruchi, Rai, S.C., Thakur, P.K., and Emmer, Adam (2017) Inventory and recently increasing GLOF susceptibility of glacial lakes in Sikkim, Eastern Himalaya. Geomorphology, 295: 39-54, The Netherlands, (ISSN: 0169-555X). (IF: 4.139; CI: 49).
*Gulati, Aastha and Rai, S.C. (2015) Farmers’ willingness-to-pay towards soil and water conservation measures in agro-ecosystems of Chotanagpur Plateau, India. Water and Environment Journal, 29 (4): 523-532 (ISSN: 1747-6593). (IF: 2.070; CI: 11).
Rai, S. C. (2011) Water management for a megacity: national capital territory of Delhi. Water Resource Management, 25: 2267-2278, Springer, The Netherlands, (ISSN: 0920-4741). (IF: 3.517; CI: 12).
Sharma, P. and Rai, S. C. (2007) Carbon sequestration with land-use cover change in a Himalayan watershed. GEODERMA, 139: 371-378, Elsevier, The Netherlands, (ISSN: 0016-7061). (IF: 6.114; CI: 32).
Sharma, P. and Rai, S. C. (2004) Stream flow, sediment and carbon transport from a Himalayan watershed. Journal of Hydrology, 289: 190-203, Elsevier, The Netherlands, (ISSN: 0022-1694). (IF: 5.722; CI: 25).
Sharma, E., Rai, S. C. and Sharma, R. (2001) Soil, water and nutrient conservation in mountain farming systems: a case study from Sikkim Himalaya. Journal of Environmental Management, 61 (2): 123-135, Academic Press, The Netherlands, (ISSN: 0301-4797). (IF: 6.789; CI: 28).
Jain, A., Rai, S. C., and Sharma, E (2000) Hydro-ecological analysis of a sacred lake watershed system in relation to land-use/cover change from Sikkim Himalaya. CATENA, 40 (3): 263-278, Elsevier, The Netherlands, (ISSN: 0341-8162). (IF: 5.198; CI: 33).
Rai, S. C. and Sharma, E. (1998) Comparative assessment of runoff characteristics under different land-use pattern within a Himalayan watershed. Hydrological Processes 12: 2235-2248, John Wiley & Sons Ltd., U.K., (ISSN: 1099-1085). (IF: 3.565; CI: 48).
**Rai, S. C. and Sharma, E. (1998) Hydrology and nutrient flux in an agrarian watershed of the Sikkim Himalaya. Journal of Soil and Water Conservation 53 (2): 125-132, Soil and Water Conservation Society, USA, (ISSN: 0022-4561). (IF: 3.180; CI: 27).
Rai, S. C. and Sundriyal, R.C. (1997) Tourism and biodiversity conservation: The Sikkim Himalaya. Ambio, 26 (4): 235-242, Royal Swedish Academy of Sciences, Sweden, (ISSN: 0044-7447). (IF: 5.129; CI: 37).
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* Highly commended Paper Award-2016
** Honourable Mention Best Paper Award-1999