Hamsika Iyer, singer of the female part of 'Chammak Challo' from 'Ra.One' in this bollywoodhungama.com exclusive interview with Content Head Broadband Faridoon Shahryar, speaks about her performance with Shahrukh Khan at a reality show, association with Vishal - Shekhar, popular ad jingles and future plans in Bollywood. Must watch!