Dolphin Foundation (earlier known as - Dolphin Conservation Society) is a frontline non-profit making non-governmental regional Nature Conservation & Research Organization of the northeastern region of India. Conceptualized and founded by its chairman Dr. Sujit P Bairagi, the organization was established in the year 1992 with its own administrative setup. The organization is based at Guwahati, Assam, India and is duly registered under Societies Registration Act and Foreign Contribution Regulation Act. (FCRA), Ministry of Home Affairs (MHA), Govt. of India. Dolphin Foundation is the first Nature Conservation Organization of Assam to receive MHA approval for FCRA registration.