Explanation:

Only statement 3 is correct.

The IAEA is the world’s centre for cooperation in the nuclear field.

It was set up as the world’s “Atoms for Peace” organization in 1957.

It was established as an autonomous organization in 1957 through its own international treaty, the IAEA Statute.

Reports to both the United Nations General Assembly and Security Council.

Headquarters in Vienna, Austria.

The IAEA serves as an intergovernmental forum for scientific and technical cooperation in the peaceful use of nuclear technology and nuclear power worldwide.

 Functions:

Works with its Member States and multiple partners worldwide to promote the safe, secure and peaceful use of nuclear technologies.

Seeks to promote the peaceful use of nuclear energy, and to inhibit its use for any military purpose, including nuclear weapons