Who among the following rulers built five astronomical observatories at different places in north India?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Sawai Jaisingh II.
The ruler who built five astronomical observatories in North India was Maharaja Sawai Jai Singh II of Jaipur. A great patron of astronomy and science, he constructed these Jantar Mantars in Delhi, Jaipur, Ujjain, Mathura, and Varanasi during the 18th century. These observatories consist of large stone instruments designed for precise astronomical measurements. The Jantar Mantar in Jaipur, a UNESCO World Heritage Site, remains the most well-preserved and is a testament to his contributions to Indian astronomy.