The actor, who had been ailing for a while, had been admitted on March 5. He was suffering from respiratory problems.
Dilip Kumar and wife Saira Banu were among his last friends to visit him in hospital.
Joy was a very popular hero in the 1960s, and acted in hits like Love In Shimla, Ek Musafir Ek Hasina and Shagird. His last film was Haiwan in 1977.
He leaves behind his wife Neelam, and two sons Boy and Toy.
Post your condolences here.
Married to the co-star!
44 IAS officers of 92 batch empanelled as joint secretaries
Bollywood's Most Romantic Couples
Vikas, Vishal Yadav's hospital trips unreasonable: HC
PIX: Stars attend Riteish-Genelia's sangeet ceremony