Profession: Assistant Professor at Centre For Atmospheric Sciences, Indian Institute of Technology, Hauz Khas, New Delhi.
Links:
[1] http://admin.indiaenvironmentportal.org.in/organisation/sagnik-dey
[2] http://web.iitd.ac.in/~sagnik/home.html
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change