Baba Harbhajan Singh born into a Sikh family on August 3, 1941 in the village of Batthe Bhaini in Punjab (India). He completed his preliminary schooling in a village school, and then did his matriculation from DAV High School in Patti in March 1955. In June 1956 he enrolled himself as a soldier in Amritsar and joined the Corps of Signals. On June 30, 1965 was granted a commission and posted to the 14 Rajput regiment. During the 1965 Indo-Pakistan war he served as an Adjutant of his unit. Later he was transferred to 18 Rajput. It was with this regiment that he met his end on September 11, 1967 in Sikkim.