He joined CPI(ML) Party Unity led by Narayan Sanyal and formed a mass organisation Mazdoor Kisan Sangram Samiti (Hindi: मजदूर किसान संग्राम समिति) to campaign for land reform and to establish minimum wages for agricultural labourers.Later he became General secretary of Mazdoor Kisan Sangram Samiti and a member of the Central Organising Committee (top functionary body) of CPI(ML) Party Unity.After massacre of Arwal[6] by police and the state ban on Mazdoor Kisan Sangram Samiti,[7] Singh went underground; he addressed some press conferences and gave only a few interviews, which include those with Alex Perry of Time magazine and Ushinor Majumdar, a journalist from Tehelka.[9] Indian government and paramilitary forces of India wanted to see his body as an evidence of death but failed to recover, they detained his family members and did not allow them to attend the last rites.After his death, a bust made of granite on top of a 24-foot high concrete pillar has been created on 0.4 acre land at his native village Sukulchak.