Actors Rajkummar Rao and Kangana Ranaut have started shooting for their upcoming film "Mental Hai Kya".Rajkummar on Wednesday shared a photograph of the film39s clapboard and wrote: "Day 1. Let39s do this 39Mental Hai Kya39. Ekta Kapoor, Kangana Ranaut, Prakash Kovelmudi, Kanika Dhillon, Ruchika Kapoor."Producer Ekta Kapoor, who is co-presenting the film under her home banner Balaji Telefilms Ltd, tweeted: "Oh yeah! Jai Mata Di.""Mental Hai Kya" has been written by Kanika Dhillon and will be helmed by National award-winning director Prakash Kovelmudi, who has helmed south Indian films like "Anaganaga O Dheerudu" and "Size Zero".This will be the second time Rajkummar and Kangana will be seen together on screen. The two were last seen in 2013 in "Queen".