Option 1 -> Matches all nuclear power projects correctly with their states.
Option 2 -> Incorrectly places Rawatbhata in Uttar Pradesh and Narora in Rajasthan.
Option 3 -> Incorrectly places Kakrapar in Karnataka and Kaiga in Gujarat.
Option 4 -> Incorrectly places Rawatbhata in Karnataka and Kaiga in Rajasthan.
Hence, Option 1: (A) - (III), (B) - (II), (C) - (I), (D) - (IV) -> Rawatbhata is located in Kota district of Rajasthan, Narora is in Bulandshahr district of Uttar Pradesh, Kakrapar is in Tapi district of Gujarat, and Kaiga is in Uttara Kannada district of Karnataka. These are major nuclear power generation facilities operated by the Nuclear Power Corporation of India Limited (NPCIL) -> correct