Namo Narain Meena served as an Indian Police Service officer of the 1969 batch of Rajasthan cadre.

After resigning as a member of the RSHRC, Namo Narain Meena joined the Indian National Congress party and was nominated to contest from the Sawai Madhopur constituency of Rajasthan in the 2004 general election.

In the 2009 general election, he contested from the Tonk-Sawai Madhopur constituency and defeated his nearest rival and Bharatiya Janata Party candidate Kirori Singh Bainsla by a thin margin of 317 votes.

He contested from the Tonk-Sawai Madhopur seat in the 2019 general election and was defeated by sitting MP and BJP candidate Sukhbir Singh Jaunapuria.

He is the brother of Harish Meena who defeated him in 2014 from the Dausa Lok Sabha seat and later joined the Congress party in 2018 and is currently serving as a member of the Loksabha