Raja Sawai Jai Singh II was the founder of the city of Jaipur and ruled the kingdom of Amber in the early 18th century. He is known for his contributions to architecture and astronomy, establishing several observatories called Jantar Mantar across India. His reign marked a period of cultural and economic prosperity. Jai Singh II was a skilled military leader and a patron of the arts. He played a significant role in the political landscape of northern India, forging alliances and expanding his territory. His legacy continues to influence the region's history and culture today.