Task: Sentence Expansion
Input (English): Mani Ratnam ( born June 2 , 1956 ) is a Tamil Indian movie director , writer and producer .
Output (English): Gopala Ratnam Subramaniam ( born 2 June 1956 ) , commonly known by his screen name Mani Ratnam , is an Indian film director , screenwriter , and producer who predominantly works in Tamil cinema .