How many movies have Rishi Kapoor and Surinder Kapoor collaborated on?

They have worked on 2 movies together! Their first movie together was Chala Murari Hero Banne (1977) while their highest rated movie together was Phool Khile Hain Gulshan Gulshan (1978). They have not worked together since Phool Khile Hain Gulshan Gulshan (1978).