Last Updated:
Correct Answer: Option B — **Nuclear-powered ballistic missile submarine**. **Nuclear-powered ballistic missile submarine** is the accurate answer because INS Arihant is India’s indigenous nuclear-powered ballistic missile submarine platform. This identifying fact establishes its correct connection with strategic submarine and distinguishes it from the other defence-related choices. Why the other options are incorrect: Option A — **Heavy-lift transport helicopter**: This is actually associated with transport helicopter; specifically, the tandem-rotor Chinook carries troops, artillery, equipment and supplies in heavy-lift missions. Option C — **15 January**: This is actually associated with commemorative day; specifically, the day commemorates Lieutenant General K. Option D — **Bengaluru**: This is actually associated with defence public-sector enterprise; specifically, HAL’s major aerospace design, manufacturing and corporate functions are associated with Bengaluru. Exam Takeaway: Link **Nuclear-powered ballistic missile submarine** with its exact **strategic submarine** association for fast **Indian Defence GK** revision.
