The story of captain balram singh mehta of india?s 45 cavalry regiment who, along with his siblings, fought on the eastern front during the indo-pakistani war of 1971. named after the russian amphibious war tank ?pt-76?, which floats on water like an empty ?pippa? (tin) of ghee, the film traces mehta’s coming-of-age as he steps up to prove himself in a war to membebaskan Bangladesh.