What is "sutradhar"

Sutradhar ( Hindi: सूत्रधार) translation: Impresario) is an Indian colour Drama film of 1987. It was a feature film directed by Chandrakant Joshi starring Smita Patil, Girish Karnad and Nana Patekar in the lead roles. This film is dedicated to the memory of Smita Patil, who died before the film was released.