He served as legal advisor for various bodies, for example cooperative banks, local governments and the Punjab State Electricity Board.
[2] Lehna Singh Tur stood as a Shiromani Akali Dal candidate and obtained 46% of the vote, defeating the Indian National Congress candidate Gurdial Singh Dhillon.
[3] He was the sole non-Congress candidate to win a seat from Punjab in the 1980 election.
[2] Notably, whilst Lehna Singh Tur benefitted from the standing of his family in the area, his candidature was opposed by the SAD and SPGC presidents.
[4] During his tenure in the Lok Sabha he resigned from SAD, leaving the party unrepresented in the lower house of Parliament.