Somewhere between his breakout in Mani Ratnam ‘s ‘Gitanjali’ in the late 1980s and his forthcoming 100th film, Akkineni Nagarjuna has made four decades feel like a beginning. The son of the legendary Akkineni Nageswara Rao – one of the all-time giants of Indian cinema – he built his own formidable career from the mid-1980s onward, with landmark films including Mani Ratnam’s 1989 Indian National Film Award-winning romantic drama “Gitanjali,” Ram Gopal Varma’s landmark 1989 action thriller “Shiva,