Pawan Kalyan's new film, Gabbar Singh 2, sequel to the blockbuster Gabbar Singh, will be launched formally on September 20th. The film's script work has come to an end, so this muhurtham has been decided, sources informed us. 'Rachcha' fame Sampath Nandi is directing this entertainer. Pawan Kalyan's close friend Sharat Marar is producing this film. Heroine is yet to be finalized. Devi Sri Prasad will provide the music.