Sawai Raja Jai Singh was the ruler of __________

Answer: Option A

Maharaja Sawai Jai Singh (3 November 1688 – 21 September 1743) was the Hindu Rajput ruler of the kingdom of Amber (later called Jaipur). He was born at Amber, the capital of the Kachwahas. He became ruler of Amber at the age of 11 after his father Maharaja Bishan Singh died on 31 December 1699.