[3] In the mid-1920s, Gurbanta Singh came into contact with Mangu Ram Mugowalia, a fellow caste man and also a founder member of the Ghadar Party.
Mangu Ram had started the Ad-Dharmi movement and established many mandals in the Doaba region of Punjab, where Dalits formed a major share of the population.
[9] Gurbanta's youngest son, Santokh Singh Chaudhary, became his real political successor even without his declaration and became MLA of Phillaur and then Member of Parliament from Jalandhar.
[10] His wife, Karamjit Kaur Chaudhary, retired as Director of Public Instruction (Colleges) in the Government of Punjab and was earlier a principal of Govt.
Their son Vikramjit Singh Chaudhary is currently MLA of Phillaur and has served as the President of Punjab Youth Congress and General Secretary of PPCC.
[11][12] Master Gurbanta Singh Memorial Janta College at Kartarpur, Punjab (India) was established by him and was later renamed after him.