India, March 20 -- Actor-director Prithviraj Sukumaran is in Mumbai on Thursday, promoting his upcoming Malayalam film, L2 Empuraan, with Mohanlal in the lead role. Also starring in the film is Aamir Khan's sister, Nikhat Khan Hegde, who plays Subhadra Ben in the film. Talking about her casting, Prithviraj revealed to the press that he cast her before knowing she was Aamir's sister. (Also Read: L2 Empuraan trailer: Mohanlal returns to save 'God's own country'; Rajinikanth, SS Rajamouli, Ram Gopal Varma all praise)

Prithviraj told the press he was so impressed with Nikhat's casting tape that he wanted her to play Subhadra. It's only later that his casting agent tells him she's Aamir's sister. He said, "I said I like her when I saw her aud...