लाइट वाटर न्यूक्लियर रिएक्टर (Light water nuclear reactors) प्राथमिक मंदक (moderator) के रूप में निम्नलिखित में से किसका उपयोग करते हैं?

Which atomic power station in India is fully indigenously built?

Consider the following statements: Assertion (A): India adopted a three-stage nuclear power programme to ensure long-term energy security. Reason (R): India possesses abundant uranium reserves but limited thorium resources, which can be effectively utilised only after developing advanced reactor technologies.