The movie is an adaptation from real life events that happened at the Battle of Longewala fought in Rajasthan (Western Theatre) during the Indo-Pakistani War of 1971 and Bangladesh Liberation War. It is about how a band of 120 soldiers of the Punjab regiment of the Indian Army headed by Major Kuldip Singh Chandpuri successfully defended their post all night against a whole Tank regiment of the Pakistani Army, until assistance came from the Indian Air Force the next morning. The film was a critical and commercial hit in India.