Amitabh Bachchan’s grandson, Agastya Nanda, plays the role of Indian Army Second Lieutenant Arun Khetarpal in the film 'Ikkis'. Khetarpal, who played a pivotal role in the 1971 Indo-Pak War, was born on October 14, 1950, in Pune into a distinguished military family. He studied at the prestigious Lawrence School in Himachal's Sanawar before joining the NDA in 1967.