Well-known Bollywood filmmaker Raj Kanwar passed away on Friday (February 3).

Shah Rukh Khan took to Twitter to break the sad news: "My friend Raj Kanwarji passed away.The impermanence of life, makes one feel so helpless. May his soul rest in peace.Aisi Deewangi..miss u sir," he tweeted.

"Sad to hear about director Raj Kanwar's demise. RIP," filmmaker Madhur Bhandarkar also tweeted.

Raj Kanwar was a multi-faceted filmmaker with over 30 films under his belt as a director, writer and producer. Some of his films include "Har Dil Jo Pyar Karega", "Daag: The Fire", and "Deewana". His last film "Sadiyaan" was released in 2010.