Work has begun on 'Bilal', the sequel to the cult gangster film 'Big B', played by noted Malayalam actor Mammootty. The film is fully preparing for the screen. The film is slated to begin by the second week of March and the first schedule to be shot in and around Kochi can last for about a month. It is reported that important scenes of the film can be shot in Kolkata. South actor Ajith shooting for 'Valimai' Mamta Mohandas, who played an important role in 'Big B', has recently confirmed that she can also be a part of the sequel. She also told that the shooting could start by the second week of March. While actor Bala, who played an important role in the prequel, has already started working for 'Bilal'. South actor Dhruv shares emotional message for his father The actor was paired with Mamta in the film. Manoj's Jayan, who played an important role in the first part, can also be retained in the sequel. A formal official announcement with full details about the cast and crew could be made soon. Beautiful pictures of Rashmika goes viral on internet