Explanation:

• The Department of Atomic Energy, the government department that is engaged in the development of nuclear power technology in India, was formed on 3rd August 1954.
• The DAE is headquartered in Mumbai. The department executive is the Chairman of the AEC, who is the ex officio executive head of the department. Currently, the post is held by Dr. Sekhar Basu (Secretary, Atomic Energy). This department is directly under the Prime Minister of the country.
• The Rajasthan Atomic Power Project (RAPP), located in Rawatbhata in the north Indian state of Rajasthan, currently has six pressurised heavy water reactor (PHWR) units, operating with a total installed capacity of 1,180MW.
• Kudankulam Nuclear Power Plant is located in the Tamil Nadu, Southern India. It is the highest-capacity nuclear plant in India, with a total of 2,000MW currently installed with a further 2,000MW under construction.

Hence only statement 1st is correct.