The Fort of Nalagarh was built in 1421 during the reign of Raja Bikram Chand on a hillock at the foothills of the mighty Himalayas.

It affords a panoramic view of the Shivalik hills beyond the Sirsa river and gave its name to the state.

[1] The country was overrun by Gurkhas for some years before 1815, when they were driven out by the British, and the raja was confirmed in possession of the territory.

Ramshehar Fort was built by Maharaja of Parmar Rajputs, which was supported by Raja Ram Chand in the 15th century.

In the 1961 Census of India, 78.4% of the Nalagarh tehsil of the then Ambala district registered as Hindi-speaking, 14.8% as Punjabi-speakers and 6.4% as Pahari-speaking.

The Child Sex Ratio is around 914 compared to Himachal Pradesh state average of 909.