Harbhajan Singh Khalsa arrangement for thousands of refugee students – and led the Sikh Students Federation in Delhi. Four years later, he graduated with a master's degree in Economics. In 1953, Harbhajan Singh entered the Indian Civil Service. He served in the Revenue Department, where his duties took him all over India. Eventually, Harbhajan Singh was promoted to the post of customs inspector for the country's largest airport, outside Delhi. He married Inderjit Kaur Uppal in Delhi in 1954. Together, they had three children, Ranbir Singh Bhai, Kulbir Singh and Kamaljit Kaur. Throughout his life, Harbhajan Singh continued his practice and pursuit of
Harbhajan Singh as well as several disciplinary incidents. However, in 2001, with leading leg spinner Anil Kumble injured, Harbhajan's career was resuscitated after Indian captain Sourav Ganguly called for his inclusion in the Border-Gavaskar Trophy team. In that series victory over Australia, Harbhajan established himself as the team's leading spinner by taking 32 wickets, becoming the first Indian bowler to take a hat trick in Test cricket. He is also an Officer in the Punjab Police and has held the rank of a Superintendent of police (India), reporting to Punjab Police HQ at Barnala. A finger injury in mid-2003 sidelined him for