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 much of the following year, allowing Kumble to regain his position as the first choice spinner in Tests and ODI's. Harbhajan reclaimed a regular position in the team upon his return in late 2004, but often found himself watching from the sidelines in Test matches outside the Indian subcontinent with typically only one spinner, Kumble, being used. Throughout 2006 and into early 2007, Harbhajan's accumulation of wickets fell and his bowling average increased, and he was increasingly criticised for bowling defensively with less loop. Following India's first-round elimination from the 2007 Cricket World Cup, Harbhajan was replaced by other spinners