Tanishaa Mukerji, daughter of veteran actor Tanuja and sister of Bollywood star Kajol, recently opened up about the intense physical transformation she underwent for Neal ‘n’ Nikki and the health issues that followed. The actress, who starred opposite Uday Chopra in the 2005 film produced by Yash Raj Films, revealed that producer Aditya Chopra had asked her to get toned for the role. However, the strict routine she followed later resulted in a hormonal imbalance.