Bollywood legend Amitabh Bachchan's grandson Agastya Nanda recently made his big screen debut with Sriram Raghavan's 'Ikkis', where he portrayed Arun Khetarpal, India's youngest recipient of the Param Vir Chakra. The young actor has now shared a heartfelt note expressing his gratitude for the opportunity, through a post on his sister Navya Naveli Nanda's Instagram.