[7] Initially he started practising nearby his village people who were deprived of the medical facility and soon became famous as Bhumi Doctor.

[9] After Hiteshwar Saikia's death, he was made Chief Minister for a serving of twenty two days before being succeeded by Prafulla Kumar Mahanta.

[7] He was made acting Chief Minister when Tarun Gogoi was hospitalised in Mumbai for heart surgery.

Many politicians such as Narendra Modi, Venkaiah Naidu,[16] Sarbananda Sonowal, Himanta Biswa Sarma, Ripun Bora, Keshab Mahanta, Debabrata Saikia, Lurinjyoti Gogoi, Chandra Mohan Patowary, Jitendra Singh,[17] Abdul Khalque,[18] Pradyut Bordoloi,[19] Bhupen Kumar Borah,[20] Badruddin Ajmal,[21] Raijor Dal all paid tribute.

Assam police gave a 21-gun salute to the Congress stalwart at the funeral which was attended by Sarbananda Sonowal, Ranjeet Kumar Dass, Ripun Bora, Barman's son Diganta and other politicians.

Before bringing the body to his native village, Barman's body was taken to Assam Legislative Assembly where Cabinet minister Chandra Mohan Patowary, Chief Secretary Jishnu Barua and DGP Bhaskar Jyoti Mahanta paid tributes to Barman.

[22] His body was next taken to the congress headquarters, Nalbari deputy commissioner's office and Rajiv Bhawan where people paid tribute to the Chief minister.