Jai Singh II (3 November 1681 – 21 September 1743) popularly known as Sawai Raja Jai Singh was the 29th Kachwaha Rajput ruler of the Kingdom of Amber, who later founded the fortified city of Jaipur and made it his capital. He was born at Amber, the capital of the Kachwaha Rajputs. He became ruler of Amber at the age of 11 after the death of his father, Raja Bishan Singh on 31 December 1699. Initially, Jai Singh served as a vassal of the Mughal Empire. He was given title of Sawai by the Mughal Emperor Aurangzeb before the siege of Khelna in Deccan. "Sawai" means one and a quarter times superior to his contemporaries. He received title of Maharajah Sawai, Raj Rajeshwar, Shri Rajadhiraj in the year 1723, This was in addition to title of Saramad-i-Rajaha-i-Hind conferred on him on 21 April 1721 In the later part of his life, Jai Singh broke free from the Mughal hegemony, and to assert his sovereignty, performed the Ashvamedha sacrifice, an ancient rite that had been abandoned for several centuries. He moved his kingdom's capital from Amber to the newly-established city of Jaipur in 1727, and performed two Ashwamedha sacrifices, once in 1734, and again in 1741. Jai Singh had a great interest in mathematics, architecture and astronomy. He commissioned the Jantar Mantar observatories at multiple places in India, including his capital Jaipur. He had Euclid's "Elements of Geometry" translated into Sanskrit. The situation on his accession When Jai Singh acceded to the ancestral throne at Amber, he had barely enough resources to pay for the support of 1000 cavalry.This abysmal situation had arisen during the previous 96 years, coinciding with the reign of the Mughal Emperor Aurangzeb. The Jaipur kings had always preferred diplomacy over arms in their dealings with the Mughals, since their kingdom was located so close to the Mughal power centers of Delhi and Agra. Six months after his accession, Jai Singh was ordered by Aurangzeb to serve in the Deccan Wars. But there was a delay of about one year in his responding to the call. One of the reason for this was that he was ordered to recruit a large force, in excess of the contingent required by his mansab. He also had to conclude his marriage with the daughter of Udit Singh, the nephew of Raja Uttam Ram Gaur of Sheopur in March, 1701. Jai