[4] He played all games for the battalion and reached the Command level in cross country, athletics and hockey.

He was promoted to captain on 1 May 1984,[5] and later that year, his battalion moved to Amritsar for taking part in Operation Blue Star.

IC- 37068, Captain Jasbir Singh Raina of 10 Guards was assigned the task of finding out details of the fortifications made by the militants in a building complex.

In spite of the fact that he was being trailed by the militants throughout this mission, Capt Raina carried out the task at great risk to his own life and brought very useful information about the layout of the building as well as the fortifications inside it, Again on the night of the 5/6 June 1984, B' Company under command of Capt Jasbir Singh Raina was asked to flush out militants from the Golden Temple.

His company's objective consisted of three storeyed buildings dominated from top, some underground tunnels and basements.

Captain Raina was hit on his knees by a burst of fire from point blank range and was seriously wounded.