New Delhi, Oct 12 (ANI): Actress Kajol's Bollywood comeback movie 'Helicopter Eela' hit the theatres today. The movie is based on a Gujarati play. The plot of the movie revolves around single mother and her relationship with son. Riddhi Sen is playing a pivotal role along with Kajol in the movie. Produced by Kajol's hubby Ajay Devgn, the film has created quite a buzz among moviegoers.