[2] It formed an enclave within Rajgarh State and was placed administratively under the Bhopal Agency subdivision of the Central India Agency.

[3] The state covered an area of 1,920 square kilometres (740 sq mi) and had a population of 92,093 and an average revenue of Rs.5,00,000 in 1901.

[4][3][5] The state capital was the town of the same name, Narsinghgarh.

After Indian independence in 1947, the rulers of Narsingarh acceded to the Union of India, and the principality was incorporated into the new state of Madhya Bharat in 1948, which subsequently became Madhya Pradesh state on 1 November 1956.

The rulers of Narsinghgarh State were styled 'Raja', and were entitled to an 11-gun salute.