How many movies have Arjun Hingorani and Dharmendra collaborated on?

They have worked on 5 movies together! Their first movie together was Kab? Kyoon? Aur Kahan? (1970) while their highest rated movie together was Khel Khilari Ka (1977). They have not worked together since Kaun Kare Kurbanie (1991). They are most known for their action films together.