The film takes place in the 19th Century British India and is the story of the fight for independence from the British between 1825 and 1875. The film tells the story of men that lead the war against British Rule: Sanga (Dilip Kumar), Bharat (Manoj Kumar) known as Kranti, a prince (Shashi Kapoor) and a freedom fighter (Shatrughan Sinha). Sanga is an honest and dedicated employee in the kingdom of Ramgarh, owing allegiance and loyalty to no one except Raja Laxman Singh. When Laxman Singh conditionally permits the British to use the port for trading purposes, Sangha finds out that the British are taking out gold and jewellery and bringing in ammunition, and puts a stop to this. He goes to report this outrage to Laxman Singh, only to find him stabbed to death. Sanga is charged with treason and of killing Laxman Singh. Sentenced to death, he escapes and forms a group of revolutionaries who have only one goal - to drive the British out of India. This group multiplies into several armies, all united with one slogan - an Independent India, also known as Kranti.