Answer: Arunachal Pradesh
Notes: The Spear Corps under Eastern Command, Indian Army, conducted Exercise Drone Kavach in forward areas of Eastern Arunachal Pradesh from September 25 to 28, 2025. The exercise tested the Army’s combat readiness for next-generation drone warfare and validated drone technologies and counter-drone systems. The personnel of the Indo-Tibetan Border Police (ITBP) also participated in the four-day exercise. Earlier, Spear Corps soldiers summited Mount Gorichen (6,488 meters) on September 19, 2025, demonstrating endurance, discipline, and teamwork in the Eastern Himalayas.
