The Indian National Science Academy is situated in ____________.

Correct option is A

The Indian National Science Academy is situated in New Delhi. Therefore, the correct answer is (a) New Delhi
The Indian National Science Academy (INSA) is one of the premier scientific organizations in India. It was founded in 1935 with the primary aim of promoting science in India and harnessing scientific knowledge for the cause of humanity and national welfare. The headquarters of INSA is located in New Delhi, the capital city of India.
INSA's role involves promoting and coordinating science both in India and internationally, recognizing and supporting excellence in scientific research, publishing journals, organizing scientific discussions, and contributing to science policies. Being located in New Delhi provides the advantage of proximity to various central government bodies and other scientific and academic institutions, facilitating better coordination and policy implementation.