Reviewed by GREG KING Director: Ritesh Batra Stars: Irrfan Khan, Nimrat Kaur, Nawazuddin Siddiqui, Nakul Vaid, Bharati Achrekar, Sadashiv Kondaji Pokarkar. "Sometimes the wrong train will get you to the right place." The Lunchbox is a very unBollywood like film - it does away with the large scale colourful musical numbers and an inordinate running time, opting instead for a touch of bittersweet realism and …