The intervening night of 8-9 of April 1965 is the glorious night in the military history of India. On this day just two company of soldiers(oddly 150 personnel) fought back a Brigade strength of 35,00 armed men of Pakistan and secured out a border at Sardar Post inflicting a heavy causality of 34 dead Pakistan personnel including two officers and captured 4 soldiers. The country remembers its martyrs of CRPF by observing "Valour Day" on April 9 every year.
CRPF was tasked to man the Sardar Post after aggressive posturing of Pak Army. On the early hours of 9th April 1965 3,500 armed Brigade launched a simultaneous stealth attack on Sardar Post and Tak Post as a part it is failed " Operation Hawk ". Sensing some movements 50 to 100 yards to the north post. Head Constable Ranjit Singh took a position with his Machine Gun. His shots were challenged by artillery fire from 25 pounder-guns. Soon all personnel manning the post realised it was a full Brigade of enemy Army. All soldiers rushed to take a position against the incoming attack. This fight lasted for 12 hours with reinforcements coming from nearby Tak post. In this battle, six CRPF men made supreme sacrifice and inflicting a heavy causality resulting in a humiliating defeat to the Brigade of Pakistan Army.