友愛党
Tripathi was born in 1959 to Hari Shankar and Kunti Devi Tripathi. He graduated from the Institute of Oriental Science, Russia with a degree in political science. Tripathi joined the leftist movement of 1974, and since that year became a politician. He first joined Communist Party of Nepal, which at that time was led by Keshar Jung Rayamajhi. After some time with Nepal Sadbhavana Party (Anandidevi), he along with Mahantha Thakur, formed Tarai-Madhesh Loktantrik Party in the wake of Madhes Andolan. Tripathi represented Nepal Sadbhavana Party (Anandidevi) during the dissolution of the Nepali House of Representatives. In the 2008 Constituent Assembly election he was elected from the Nawalparasi-6 constituency, winning 10,029 votes defeating his closest rival NC's Debkaran Kalawar. Kalawar received 9,856 votes while another opponent UCPN-Maoist's Rahit Prasad Kewat received 5,749 votes.