Consider the following statements about 'Kudankulam Nuclear Power Project':
1. It uses a Prototype Fast Breeder Reactor.
2. It is a part of the Stage-1 of India's Nuclear Programme.
3. It is based on the technology of Nuclear Fission and uses Enriched Uranium as fuel.
4. It uses Heavy Water as a coolant.
Which of the statement(s) is/are correct?