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 "fear and insecurity" into the team. The Punjab Cricket Association called him to explain his actions, but he was not punished after offering an apology. In early 2006, Harbhajan changed his stance publicly, praising Chappell for the team's improved form, stating "He has great knowledge about the game and it has been a very successful year for us under him. He has lifted our team to great heights". Harbhajan was under pressure to perform when Sri Lanka toured India in late 2005 following his attack on Chappell and the replacement of Ganguly, who had frequently supported him during previous career