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Photo: Maria Krüger, CC BY-SA 2.5 via Wikimedia Commons
It is the biggest church in terms of structure and also the headquarters of the Delhi Catholic Archdiocese. A must visit to enjoy the beautiful architecture and pristine beauty.
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It is the headquarters of the Jacobite Syrian Orthodox church in Delhi. It is known as the Antioch of the East and is a fine example of Oriental architecture blended with modernity.
The main gurudwara for Sikhs of Delhi. You will need to cover your head (scarves provided for free) and stash your shoes in the shoe storage run by volunteers. Compared to other big tourist attractions, is free of scam or rude guards and can be enjoyed without hassle. You can sit inside and listen to the readings and prayers in Punjabi. Men should cover their head with something, although it is not mandatory, it will be seen as a sign of respect.
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.
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.
Tirupati Balaji Mandir
The New Delhi branch of the Tirumala Tirupati Devasthanams (TTD) group of temples, popular among the city's South Indian community.
Birla Temple
A temple dedicated to Laxminarayan, which usually refers to Lord Vishnu. It was inaugurated by Mahatma Gandhi and all castes are allowed in the temple. The temple attracts thousands of devotees to the festivals of Janmashtami and Diwali. The main temple houses statues of Lord Vishnu and his wife Lakshmi. There are other small shrines dedicated to Shiva, Ganesha and Hanuman. There is also a shrine dedicated to Lord Buddha.