He began his political profession from 1990.[1] In the 1994 parliamentary decision, he remained as the Nepal Sadbhavana Party competitor in the voting demographic Sarlahi-2. He came next with 10173 votes. In the 1999 parliamentary race he won the seat with 14750 votes, overcoming previous Prime Minister Surya Bahadur Thapa of the Rastriya Prajatantra Party.[4] In 2007, Mahato split far from NSP(A) and framed his own gathering, which later gained the name Sadbhavana Party[5] Mahato surrendered from the interval parliament on January 19, 2008.[5]
In April 2008, he won the Sarlahi-4 situate in the Constituent Assembly election.[6]
Mahato lost his seat in the 2013 constituent gathering races to Mahendra Rai Yadav of the Terai Madesh Sadhbhawana Party Nepal.[7] The gathering selected his better half Sahil Devi Mahato to the Constituent Assembly from the five seats relegated to the gathering under corresponding representation.[8]
Mahato has additionally turned into a pioneer for the Madhesi individuals, and expressed worries about Nepal's proposed constitution, calling it a ploy to oppress the Madhesi.
