HH Swasti Shri Rajadhiraj Sir Nahar Singh Bahadur KCIE (7 November 1855 – 24 June 1932) was the ruler of Princely State of Shahpura in Rajputana from the year 1870 to 1932.

[1] He attended the Coronation of the King-Emperor Edward VII and Queen-Empress Alexandra at Westminster Abbey in London in 1902.

He established a system of local government, with a large measure of representation, modeled on the London County Council.

An energetic and modern ruler, he built schools, hospitals and roads, which transformed his little state out of all recognition.

He was created a Knight Commander of the Order of the Indian Empire(KCIE) in the 1903 Durbar Honours.