How many movies have Lata Mangeshkar and S.B. Nayampalli collaborated on?

They have worked on 2 movies together! Their first movie together was Amber (1952) while their highest rated movie together was Jis Desh Mein Ganga Behti Hai (1960). They have not worked together since Jis Desh Mein Ganga Behti Hai (1960).