Answer- B
India’s first domestically developed 700 MW nuclear power reactor, located at the Kakrapar Atomic Power Project (KAPP) in Gujarat, has commenced commercial operations.
The Nuclear Power Corporation of India Limited (NPCIL) is building two 700 MW pressurised heavy water reactors (PHWRs) at Kakrapar, which is also home to two 220 MW power plants.
Hence, option 'B' is correct.