Where is the corporate headquarters of Hindustan Aeronautics Limited located?

Correct Answer: Option B — **Bengaluru**. **Bengaluru** is the accurate answer because HAL’s major aerospace design, manufacturing and corporate functions are associated with Bengaluru. This identifying fact establishes its correct connection with defence public-sector enterprise and distinguishes it from the other defence-related choices. Why the other options are incorrect: Option A — **Anti-tank guided missile**: This is actually associated with anti-armour missile; specifically, Nag was developed as an indigenous guided missile for engaging armoured targets. Option C — **Attack helicopter**: This is actually associated with rotary-wing combat platform; specifically, Apache is a dedicated attack helicopter designed for armed reconnaissance and engagement of ground targets. Option D — **Indian Army, Indian Navy and Indian Air Force**: This is actually associated with service structure; specifically, India organises its principal military services into land, maritime and air components. Exam Takeaway: Link **Bengaluru** with its exact **defence public-sector enterprise** association for fast **Indian Defence GK** revision.