Rajnandgaon (Devnagari राजनांदगाँव) is the primary town of Rajnandgaon District, in the state of Chhattisgarh, India.As of the 2011 census the population of the city was 163,122. Rajnandgaon district came into existence on 26 January 1973, as a result of the division of Durg district . The district headquarters of Rajnandgaon is on the Bombay-Howrah line of southeastern railways. National Highway 6 (Great Eastern Road) also passes through the town.