It is a known fact that Nani is doing a film called Shyam Singha Roy which is basically set in Kolkatta. The film is being made on a whopping scale and Sithara Entertainments is producing it.
But the latest we hear is that Sithara Entertainments has walked out of the project and yet another producer Venkat Boyanapally who has already worked on several projects in the past.
Though this is mere speculation, this news has become a hot topic in the industry. We need to see what will Sithara Entertainments do about this rumor now. The film is being directed by Rahul Sankriytan.