In a Calcutta Gripped With Naxal Violence and Police Brutality, People Lost Sons, Brothers and Friends For most of the early 1970s, students from prestigious colleges moved to the far left fired by ideological fervour. A still from Mrinal Sen's film 'Calcutta 71' that captures life in the city during the time of the Naxal uprising. Politics11/Mar/2021 The year 1971 was marked with several âbig victoriesâ â in politics, cricket and in war â all of which had long term implications for India. The national mood was buoyant, even if the country continued to struggle with endemic problems. Fifty years later, we look back at those times and evoke some of that mood.Â