Honesty, dedication and service to people became synonyms of Ram Sewak Yadav. He was instrumental in spreading the Socialistic think across the length and bredth of the nation. Ram Sewak Yadav was born in the family of Ram Gulam Yadav his father, on 2nd July 1926 in village Taala of Tehsil Haidergarh. After completing his eduction upto Intermediate in Barabanki, he moved on to Lucknow University for his higher education, where he completed his B.A. in 1949. He did his degree in Law from Lucknow University in 1951. He practiced Law, but left it in 1956. He entered into active politics by joining Dr. Ram Manohar Lohia, whom he considered as his Guru. In 1956, he became a legislator for the first time by winning the Ram Nagar assembly seat byelection. He earned his recognition as a leader with fighting qualities and was Member in 1957, 1962 and 1967 Loksabhas.
With his hard work and dedication to the party and nation, he not only hoisted  the flag of Socialism in the district, State but the whole nation. He was the national Secretary General of the All India Socialist Party. He travelled abroad several times with Dr. Ram Manohar Lohia to spread the socialist movement. He lost the 1974 Loksabha election, but took it in his strides, and worked hard for the party and enriched its movement. Ram Sewak Yadav was again elected to the  Legislative Assembly in 1974 from the Rudauli Assembly seat. This great son of this land who lit the flame of socialism in the country died on 22nd November 1974 leaving all stunned and shocked.