Correct option is A
General Anil Chauhan is a four-star general of the Indian Army, who is the current and 2nd Chief of Defence Staff (CDS) of the Indian Armed Forces, since 30 September 2022.
• The Chief of Defence Staff of the Indian Armed Forces (CDS) is the professional head and permanent Chairman of the Chiefs of Staff Committee (COSC) of the Indian Armed Forces.
• The Chief of Defence Staff is the highest-ranking uniformed officer on active duty in the Indian military and chief military adviser to the Minister of Defence.
• The Chief also heads the Department of Military Affairs. The CDS is assisted by a vice-chief, the Chief of Integrated Defence Staff