Jantar Mantar, with Yantra which means instruments and Mantra which means formulae, was constructed inside the year 1724. Situated close to Connaught Place, New Delhi Jantar Mantar counts among the quite a few astronomical observatories erected by Maharaja Jai Singh II of Jaipur. Another observatories consist of the ones built in Jaipur, Varanasi, Ujjain and Mathura. It essentially comprises in the instruments that were utilised for maintaining track of celestial bodies. Jai Singh, right after obtaining the current astronomical instruments also small to get correct measurements, constructed these bigger and far more accurate instruments.

The instruments at Jantar Mantar of Delhi display promising brilliance. Even so, there is a small difficulty, that, these instruments can no lengthier make accurate observations simply because in the many tall properties which have been constructed about the observatory. Delhi Jantar Mantar can also be a reminder from the technological achievements that took place under the rule with the Rajput kings. There is certainly an intriguing legend associated using the building of the Jantar Mantar. It is stated that Jai Singh, ardent adherer of astronomy, oversaw an argument in between Hindu and Muslim over certain planetary positions.