A three-time legislator and a senior member of the Samajwadi Party, Pandit Singh represented Gonda assembly constituency in the 13th, 14th and 16th Uttar Pradesh Legislative Assembly[3] which is the lower house of the bicameral legislature of Uttar Pradesh.

He also contested the 2019 parliamentary elections from Gonda but lost to Kirti Vardhan Singh of BJP.

[4][1] A number of politicians including Hriday Narayan Dikshit- the then Speaker of Uttar Pradesh Legislative Assembly and Akhilesh Yadav- national president of the Samajwadi Party have expressed grief at his demise.

In the year of 2012 he was again elected as MLA of Gonda seat and served as Minister of Revenue in the cabinet of Akhilesh Yadav.

In 2014 he contested from Kaiserganj Lok Sabha constituency and was defeated by Brij Bhushan Sharan Singh and later he served as Minister of Agriculture.