NDMC has a total population of 2,57,803 and ranks 66th in terms of Hindi speakers. NDMC is a city of New Delhi district. Highest employment in New Delhi is in the Government sector. Out of the entire workforce, 97% are employed in the Government sector, 2% Household workers and remaining 1% employed in the agriculture sector. The history of Delhi goes back to the pre-historic time as many rock art sites have been discovered from various places like the JNU campus, Old Fort. Indraprastha (modern Delhi) was the capital of Pandavas. Surajkund and Lalkot were under Tomar kings during 9th-10th century CE. During the Sultanate period, many architectural buildings came into existence. The Mughal kingdom was the golden era of Delhi from 1649 to 1857. After 1857 Delhi went under the rule of British Empire. During the early 1900s, a proposal was made to the British administration to shift the capital of the British Indian Empire, from Calcutta on the east coast, to Delhi.