Which three services constitute the principal branches of the Indian Armed Forces?

Correct Answer: Option B — **Indian Army, Indian Navy and Indian Air Force**. **Indian Army, Indian Navy and Indian Air Force** is the accurate answer because India organises its principal military services into land, maritime and air components. This identifying fact establishes its correct connection with service structure and distinguishes it from the other defence-related choices. Why the other options are incorrect: Option A — **Ezhimala, Kerala**: This is actually associated with training institution; specifically, it is the principal officer-training establishment of the Indian Navy. Option C — **Surface-to-air missile system**: This is actually associated with air-defence missile; specifically, Akash is an indigenous mobile surface-to-air missile weapon system serving the Army and Air Force. Option D — **Multirole air-superiority fighter**: This is actually associated with combat aircraft; specifically, the Su-30MKI is a twin-engine fighter used for air-superiority and multiple combat roles. Exam Takeaway: Link **Indian Army, Indian Navy and Indian Air Force** with its exact **service structure** association for fast **Indian Defence GK** revision.