From fossils of thecamoebians, scientists know that Uttarkashi and Kedarnath areas in Uttaranchal were once covered by glacial lakes. This group of Thecamoebians are predominantly found in arctic ice
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cloning-climate
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-herald-bangalore
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-science