India, Sept. 21 -- Being perfect in eachrole that one essays is a responsibility that every actor has. Actor Radhika Madan has decided to go all out to prep for her role in Shiddat, which requires her to learn swimming. Radhika, who didn't know the sport, was quick to enrol herself for swimming lessons. "Swimming is an integral part of the project, and I've never learnt swimming professionally. I just knew how to float with no correct techniques," she says....