The film's producer Ekta Kapoor on Monday tweeted a photograph of posing on the streets here.
"And it's a wrap! Kangana Ranaut and Rajkummar Rao pose for 'Mental Hai Kya' after completing the shooting schedule in London," Ekta captioned the image.
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"Mental Hai Kya" is slated to release on February 22, 2019. It is written by Kanika Dhillon and helmed by National Award-winning director Prakash Kovelmudi, who has helmed south Indian films like "Anaganaga O Dheerudu" and "Size Zero".
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This will be the second time Rajkummar and Kangana will be seen together on screen. The two were last seen in 2013 in "Queen"