Q. Which one of the following monuments in Delhi is not included as a World Heritage Site? Answer:
Jantar Mantar of Delhi
Notes: The monument is located in New Delhi and the meaning of the word 'Jantar Mantar' means an instrument for measuring the harmony of the heavens. It was built by Maharaja Jai Singh II of Jaipur in 1724 and its height is 723m. It is not a world Heritage Site.