My most physically challenging film: Aditya on transformation for 'Rashtra...'

Speaking about how he prepared for his role in 'Rashtra Kavach OM', actor Aditya Roy Kapur said, "For the film I trained in action for four months and to maintain the physique I had to keep...balance between action training and heavy weight training to build muscles during workout." "This has been my most physically challenging film to date," he added.