Who is the Chairman of the Defence Planning Committee set up in April

Who is the Chairman of the Defence Planning Committee set up in April 2018?

The Prime Minister
The National Security Advisor
The Defence Minister
The Chief of the Army Staff
This question was previously asked in
UPSC CDS-2 – 2018
The Defence Planning Committee (DPC), established in April 2018, is a high-level body responsible for preparing comprehensive defence plans. It is chaired by the National Security Advisor (NSA).
The DPC was set up to streamline and improve the defence planning process in India, linking it with foreign policy and economic considerations.
The committee includes the Chairman of the Chiefs of Staff Committee, the Service Chiefs, Defence Secretary, Foreign Secretary, and Expenditure Secretary as its members, with the NSA as the chairman.