Bollywood took to twitter to express their condolences:
Priyanka Chopra: Saddens me so much, my 1st director Raj Kanwar passed away... RIP Rajji... U believed in me when even I didn't. 'Andaaz' taught me everything I know.
Abhishek Bachchan: Terribly saddened by the passing of Raj Kanwar. Was the 1st person to sign me after 'Refugee'. He made Aishwarya and my 1st film together. 'Dhaai Akshar Prem Ke'. Was a lovely man, always happy, smiling and joking. Have wonderful, wonderful memories of him. Now no more. Thank you so much Rajji for the memories. I will miss you.
Madhur Bhandarkar: Sad to hear about director Raj Kanwar's demise. RIP
Lara Dutta: R.I.P. Rajji. Friend, director and guide. Bid goodbye with a very heavy heart!. We lost a kind, gentle, positive man.
Arjun Rampal: Just heard the saddest news of Mr. Raj Kanwar's demise, had the opportunity of interacting with him. Pray for his soul and strength to family.
Akshay Kumar: Deeply saddened to know, Raj Kanwar, one of our finest directors passed away. He'd directed two of my personal favourite films of my career, 'Andaaz' & 'Humko Deewana Kar Gaye'. My thoughts & prayers with his family. RIP.
Anubhav Sinha: Just heard of the demise of a Bollywood director. Someone please deny.
Shreya Ghoshal: Just saw tweets abt Raj Kanwarji's untimely demise... R.I.P. Had worked with him only once. He was such a gentle, humble man. Saddened.
Shaan: Just yesterday heard of Anil Mohile succumbing to heart failure... And now Raj Kanwar is no more... both such warm, humble, talented greats..