Which of the following statement(s) is/are correct about the ‘National Security Council’?
1. It is three-tiered organisation that oversees political, economic, energy and security issues of strategic concern.
2. It is headed by the Principal Secretary to the Prime Minister with the National Security Adviser serving as the Vice-Chairman of the Council.
3. It also has membership from the Ministry of Home Affairs, Defence, External Affairs and Finance.
Select the correct codes from below -