Jai Singh realized that the almanacs and astronomical charts in India were sadly inaccurate and that little progress was being made in the field of astronomy.
त्यामुळे त्याने, प्रत्यक्षात दृश्‍य ग्रहांना जुळतील अशी नवीन घरे तयार करण्याचे ठरवले.