MUMBAI — Amitabh Bachchan is in Goa shooting for R Balakrishnan's next untitled film, and the veteran actor being is nostalgic for being in the city. He said that it is hard for him to forget the films that were shot in Goa. Reminiscing his shooting days from "Saat Hindustani," Bachchan said: "It is hard to forget the various films that were shot here, in what circumstances they were made and what they look like now. But each and everyone of those incidents etched a mark on my system." Popularly known as Big B, Bachchan was very nervous on his first day of shoot. He wrote on Twitter, "First day shoot new project R Balki, nerves, apprehensions, discomfort, uncertainty, butterflies! Only redemption, the director." The film also features Raanjhanaa star Dhanush and actor Kamal Haasan's younger daughter Akshara, NDTV reported. — SG