With reference to ‘Inter-State Council’, consider the following statements:
1. As per the Constitution, only the Parliament of India is empowered to define the duties of an inter-state council.
2. Janata Dal Government established the Inter-State Council in 1990 on the recommendations of the Sarkaria Commission.
3. The council is a recommendatory body that is empowered to investigate and discuss subjects of common interest between Centre and states.
4. All the questions in the council are decided by consensus.
How many of the above given statements are correct?