Karnik made his directorial debut with the film
Kyun! Ho Gaya Na... in 2004 starring
Aishwarya Rai and
Vivek Oberoi. He produced and directed the film
Heroes in 2008. His directorial venture
Yamla Pagla Deewana starring
Dharmendra,
Sunny Deol and
Bobby Deol was released on 14 January 2011. ==Filmography==