How many movies have Raj Khosla and Vinod Khanna collaborated on?

They have worked on 5 movies together! Their first movie together was Mera Gaon Mera Desh (1971) while their highest rated movie together was Main Tulsi Tere Aangan Ki (1978). They have not worked together since Main Tulsi Tere Aangan Ki (1978). They are most known for their drama films together.