On the heels of her screen adaptation of William Makepeace Thackeray's Vanity Fair, the internationally acclaimed Indian director is poised to shoot her next film in the bustling eastern Indian metropolis where she spent many summers as a young girl. The film is based on The Namesake, Pulitzer Prize-winning Jhumpa Lahiri's novel about the Bengali expatriate community in Boston. It feature a cast of Indian and American actors, Saibal Chatterjee reports for BBC.