The 31-year-old actor had earlier took a training in martial arts for 'Brothers'.
Sidharth has been roped-in by Fox Star Studios to star in their next venture, an action film. Gossip mills are abuzz that it is a sequel to 'Bang Bang'.
"We are doing an action film. It will be called something else. It is not related to the first part ('Bang Bang')," Sidharth told PTI.
The movie will have some high octane action. "There will be lot of action sequences in the film. I will start training in martial arts. It (training) is different from what I did during 'Brothers'," he added According to him, the shooting for the film will begin in a few months.
Besides this movie, filmmaker Karan Johar has expressed his desire to make a sequel to "Student of the Year" that marked debut Sidharth's Bollywood debut.
"I don't know about it yet. We might do it...we may not," the "Ek Villian" actor said.
Sidharth will be seen next in "Kapoor & Sons" alongside Alia Bhatt and Fawad Khan.
