How many movies have Bibhutibhushan Bandyopadhyay and Subrata Mitra collaborated on?

They have worked on 3 movies together! Their first movie together was Pather Panchali (1955) while their highest rated movie together was Apur Sansar (1959). They have not worked together since Apur Sansar (1959). They are most known for their drama films together.