Central Government Organisation Geological Survey of India April 12, 2013 / September 26, 2014 by | Leave a Comment Geological Survey of India Address: 27, J.L.Nehru Road Kolkata-700016 West Bengal Phone: (033)22861676, (033)22861661 Fax: 033-22861656 Email: dg@gsi.gov.in Website: https://www.portal.gsi.gov.in Read more » Address of geological survey of india Email of geological survey of india geological survey of india Phone no geological survey of india Website of geological survey of india West Bengal what is geological survey of india what is the work of geological survey of india