Claim: 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.
Evidence: 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.