Bhunder started his political career when he was elected the Village Sarpanch from 1964 to 1972. He was then elected to be a member of the Punjab Legislative Assembly from the Sardulgarh, Mansa District constituency for 4 consecutive terms; 1972–1977, 1977–1980, 1980-1982 and 1982–1987. During which he served as the Cabinet Minister for Agriculture, the Cabinet Minister for Forest and the Cabinet Minister for Soil Conservation.
From 1997 to 1999, Bhunder served as the Chairman of the Agricultural Marketing Board.[6] In 1998, he was elected to the Rajya Sabha, the upper house of the Parliament of India. From 2002 to 2007, Bhunder was again elected to be a member of the Punjab Legislative Assembly from the Sardulgarh, Mansa District constituency for the 5th time. Since then, he has served as a member of Consultative Committee for the Ministry of Agriculture, Civil Supplies and Public Distribution, and the Committee of Food.[7]
Bhunder was again elected as a member of the Rajya Sabha in 2010 and 2016 as well. Since then, he has also served as a member of Committee to the Wakf (Amendment) Bill, Committee on Water Resources, Committee on Subordinate Legislation, and the Committee of Rajya Sabha on the Mines and Minerals (Development and Regulation) Amendment Bill.[7] Bhunder was appointed as the Secretary General of Shiromani Akali Dal in June 2020.[1]