Pyramid Samira Group a company based in Chennai is all set to make its foray into Production in Hindi cinema.Their First Production that is halla Bol is starring Ajay Devgan and Vidya Balan which is directed by Raj Kumar Santoshi.Pyramid Saimira along with Raj Kumar Santoshi held a press conference to announce their tie-up.Present at the event were director Raj Kumar Santoshi along with the cast of the film which includes Ajay Devgan, Vidya Balan, Pankaj Kapur and Darshan Jariwala.