How many movies have Asha Bhosle and O.P. Nayyar collaborated on?

They have worked on 7 movies together! Their first movie together was Bade Sarkar (1957) while their highest rated movie together was Yeh Raat Phir Na Aaygi (1966). They have not worked together since Pran Jaye Par Vachan Na Jaye (1973). They are most known for their drama films together.