How many movies have Gulshan Bawra and Lata Mangeshkar collaborated on?

They have worked on 5 movies together! Their first movie together was Jaanwar Aur Insaan (1972) while their highest rated movie together was Zanjeer (1973). They have not worked together since Duniya Meri Jeb Mein (1979). They are most known for their action films together.