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Photo: Alessio, CC BY-SA 4.0 via Wikimedia Commons
One of five astronomical observatories commissioned by Sawai Jai Singh II of Jaipur during the 18th century. The odd structures inside are enormous scientific instruments for measuring the movement of celestial bodies.
The Jantar Mantar in New Delhi is an observatory, designed to be used with the naked eye. It is one of five Jantar Mantars in India. "Jantar Mantar" means 'instruments for measuring the harmony of the heavens'. It consists of 13 architectural astronomical instruments.
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पालिका केंद्र Pālikā Kendra
A 21-storey building houses the office of the New Delhi Municipal Council (NDMC), the civic body covering the national capital. One of the tallest buildings in Delhi-NCR, it is among the few structures in the area that feature Brutalist architecture. There's a grand mural depicting Mahatma Gandhi made up of terracotta kulhars on a wall of the building.
A repository of the non-current records of the Government of India, and holds them in trust for the use of administrators and scholars. It was established in 1891 as the Imperial Record Department in Calcutta. Its museum provides a representative overview of the multifarious holdings of the National Archives, and promotes a common man's interest in archival holdings.
Hanuman Murti
The Mughal-era temple has a self-manifest idol of Lord Hanuman (who was an ardent devotee of Rama according to the Hindu legends), has an unusual feature fixed in the spire (Viman) in the form of a crescent moon (an Islamic symbol) instead of the Hindu symbol of Aum or Sun that is commonly seen in most Hindu temples.