Solution:India's first nuclear reactor is 'Apsara' which started its operation in August 1956 at Bhabha Atomic Research Center (BARC) Trombay, Mumbai.Apsara was also Asia's first nuclear research reactor. The reactor was designed and built by Indian scientists and engineers.It helped lay the foundation for nuclear research in India. It supported research and education in basic and applied sciences.
It helped produce isotopes. It played a role in basic science studies like neutron scattering, neutron activation analysis, and neutron and gamma-ray emission studies. It was dedicated to the nation on January 20, 1957 by then Prime Minister Pandit Jawaharlal Nehru.