(A) India, Iran, Russia, Afghanistan
(B) India, Iran, Russia, Azerbaijan
(C) India, Iran, China, Azerbaijan
(D) India, Iraq, Russia, Azerbaijan
🧠 Explanation:
The International North-South Transport Corridor (INSTC) connects India, Iran, Russia, and Azerbaijan for trade. Studied in geography, it boosts commerce. In Pakistan, it’s relevant for understanding trade routes, inspiring studies on CPEC and regional economic cooperation.
