The position of Chief of Integrated Defence Staff to the Chairman, Chiefs of Staff Committee (CISC) in India is held by Air Marshal Tejinder Singh. Operating out of New Delhi as a key tri-service military leader, the CISC functions as the executive head of the Integrated Defence Staff, providing vital secretarial assistance and strategic coordination to the Chief of Defence Staff. The office coordinates joint military doctrines, inter-service intelligence sharing, defense cyber operations, and long-term force planning to advance structural integration across the Indian Army, Navy, and Air Force.