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Jantar Mantar

The
Jantar Mantar was conceived as a quest for discovering the mysteries of the
Cosmos. The Jantar Mantar is a corruption of the Sanskrit word yantra mantra
meaning instruments and formulae. It was built not only to verify astronomical
observations made at Jaipur, but also to stimulate interest in astronomy, which
had become enmeshed in theory, superstition and religious jargon. Following
the style of an observatory at Samarkand, huge masonry instruments were built,
keeping in mind the rules of astronomy, the position of the equator, latitudes
and longitudes. The observatory at Jaipur has the samrat yantra, the jaiprakash
yantra, ram yantra and the 'composite instrument' includes a sundial and a massive
hemisphere on the northern wall.
India, in the early decades of the 18th century was a land to turmoil, the
Mughal empire was collapsing, its chiefs were busy in internal quarrels, and
the Marathas, Portuguese, British, French and Dutch were fighting for the
over lordship of India's trade and political fortunes. In this age arose a
brilliant star on India's political and intellectual horizon - Maharaja Sawai
Jai Singh II, Rajput ruler of Amber, founder of Jaipur, a great builder and
ruler and an exceptional astronomer.

Commissioned
by Emperor Muhammad Shah, to correct the existing astronomical tables and fix
planetary positions anew, Sawai Jai Singh-II, accomplished the task in seven
years and for this task, built the first stone observatory in Delhi in 1724
and in Jaipur in 1728. Not only did the masonry instruments suit his purposes,
they also satisfied his architectural instincts. Apart from being a permanent
memorial to his genius, is secured for him a place along with such distinguished
observatory builders like Prince Ulugh Beg, Tycho Brahe and John Flam steed.
Jantar Mantar, Forts & Palaces of Rajasthan Reservation Form