Official Answer Key & Detailed Solution
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Correct Answer: Option (D) — mica
Concept & Option Breakdown
Standard Reference VerifiedThe marked locations on the map correspond to the primary mica belts of India: the Koderma-Hazaribagh-Giridih belt in Jharkhand/Bihar, the Bhilwara-Ajmer belt in Rajasthan, and the Nellore mica belt in Andhra Pradesh.
The prominent clusters in Rajasthan (Aravalli belt), Jharkhand (Koderma-Gaya-Hazaribagh), and coastal Andhra (Nellore) represent the classical triad of Indian Mica mining.
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