Answer: Tarapur Atomic Power Station (TAPS), Maharashtra
- India’s first commercial nuclear power station (Units 1 & 2—BWRs—went critical in 1969); later augmented by PHWR Units 3 & 4.
- Located near Boisar, it supplies electricity to the western grid and is operated by the Nuclear Power Corporation of India Ltd. (NPCIL).
- Demonstrates India’s evolution from imported technology to indigenous PHWR design and fuel cycle.
- (Other notable centres: Kakrapar, Rajasthan (Rawatbhata), Kalpakkam, Kaiga.)