Mithun Chakraborty is a person.
Gourang Chakraborty ( born 16 June 1950 ) , better known by his stage name Mithun Chakraborty ; informally referred to as Mithun Da , is an Indian film actor , singer , producer , writer , social worker , entrepreneur and a Rajya Sabha Member of Parliament . He made his acting debut with the art house drama Mrigayaa ( 1976 ) , for which he won his first National Film Award for Best Actor . He began his career as a junior actor and went on to establish himself as one of the biggest stars in Bollywood . He was also the Chairperson of Film Studios Setting & Allied Mazdoor Union which take care the welfare of cine workers and resolve their demands and problems .