Mumbai -- Ooh Lala Balan and Tollywood actor Prosenjit Chatterjee to team up in director Sujoy Ghoshs untitled Bengali movie. Prosenjit is also featuring in Dibakar Banerjees Shanghai. Vidya said, We wanted to work together for quite some time. Every year, there are talks about us doing a Bengali film but we are not able to work it out. Sujoy is working on something. He will write a film with both of us. We are waiting for a good script, added Balan.