Claim: Karan Johar writes screenplays.

Karan Johar -LRB- born 25 May 1972 -RRB- , often informally referred to as KJo , is an Indian film director , producer , screenwriter , costume designer , actor and television personality who is primarily known for his work in Hindi films . He is the son of Hiroo Johar and the acclaimed producer Yash Johar .   Johar made his directorial debut with the blockbuster romance Kuch Kuch Hota Hai -LRB- 1998 -RRB- , which earned him the Filmfare Awards for Best Director and Best Screenplay . His next two films were the ensemble dramas Kabhi Khushi Kabhie Gham ... -LRB- 2001 -RRB- and Kabhi Alvida Naa Kehna -LRB- 2006 -RRB- , which were both very successful in the overseas market . His counter-terrorism drama My Name Is Khan -LRB- 2010 -RRB- earned him his second Filmfare Award for Best Director . These , along with the several successful films he has produced under the Dharma Productions banner , have established him as one of the leading director-producers in Hindi cinema .