Official Answer Key & Detailed Solution
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Correct Answer: Option (A) — Sumatra
Concept & Option Breakdown
Standard Reference VerifiedGreat Nicobar is the southernmost island of India. The northern tip of Sumatra (Indonesia), specifically near Banda Aceh, is separated from Great Nicobar by the Great Channel (Six Degree Channel) by a distance of only about 145–150 km, making it geographically the closest.
The southernmost tip of the Nicobar Islands (Indira Point) is just across the Great Channel from northern Sumatra (Aceh).
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