Karan Johar has been active and working in the film industry since at least 1998 when his directorial debut Kuch Kuch Hota Hai came out.
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.
