He was a member of First Legislative Assembly of Delhi and served as its deputy speaker from 1995 to 1998.
[3] Fateh Singh contested the 1993 Delhi Legislative Assembly elections in the Nand Nagari assembly constituency, which was reserved for scheduled castes, on a Bharatiya Janata Party (BJP) ticket.
[4] He became member of the First Legislative Assembly of Delhi and was elected the deputy speaker from 1995 to 1998.
Bahujan Samaj Party's Surendra Kumar won, while BJP's Ranjeet Singh was third.
[8] He contested the 2015 Delhi Legislative Assembly elections from Gokalpur and got 71,240 votes, defeating the sitting MLA (member of Legislative Assembly) Ranjeet Singh of the BJP by the margin of 31,968 votes.