Step 1: Recall India's mineral belt map.
Copper: Khetri (Rajasthan), Malanjkhand (MP). Bauxite: Odisha, Jharkhand. Iron ore: Odisha, Chhattisgarh. Manganese: Odisha, MP.
Step 2: Match the place name.
Khetri appears only on the copper list among these four minerals.
Final Answer:
So option (b) Copper is correct.$\boxed{\text{Copper}}$