 He was also member of Punjab Legislative Assembly for four terms from Ajnala Assembly Constituency.His son Amarpal Singh Ajnala represents Ajnala Assembly Constituency from 2012 elections in Punjab.He was expelled from the Shiromani Akali Dal political party on 12 November 2018 and then he formed the Shiromani Akali Dal (Taksali) with Ranjit Singh Brahmpura , Sewa Singh Sekhwan, Ravinder Singh Brahmpura , and his son Amarpal Singh Ajnala.