Under Nuclear Power Corporation of India Total - 22 Unit (Reactor) Rajasthan Atomic Power Station (RAPS) - Rawatbhata, Rajasthan - 6 Unit Madras Atomic Power Station (MAPS) - Kalpakkam, Tamil Nadu - 2 Unit Kaiga Generating Station (KGS) - Kaiga, Karnataka - 4 Unit Narora Atomic Power Station (NAPS), Narora, Uttar Pradesh - 2 Unit Kakrapur Atomic Power Station (KAPS), Kakrapur, Gujarat - 2 Unit Kundankulam Nuclear Power Station (KKNPS) with Russia support (Atomstroyexport company), Kundankulam, Tamil Nadu - 2 Unit Tarapur Atomic Power Station (TAPS) with USA and IAEA* support - Tarapur, Maharashtra - 4 Unit Under Bharatiya Nabhikiya Vidyut Nigam Limited Prototype Fast Breeder Reactor (PFBR), Kalapakkam, Tamil Nadu at Madras Atomic Power Station (MAPS) *IAEA = International Atomi c Energy Agency