Match Column-I with Column-II and choose the correct option:
\begin{center}
\begin{tabular}{|c|c|}
\hline
Column-I (Mineral) & Column-II (Major Mines)
\hline
a. Iron-ore & i. Katni
\hline
b. Manganese & ii. Bhilwara
\hline
c. Bauxite & iii. Chandrapur
\hline
d. Copper & iv. Sundargarh
\hline
\end{tabular}
\end{center}
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Remember key mineral belts: Iron-ore in Odisha (Sundargarh), Manganese in Maharashtra (Chandrapur), Bauxite in MP (Katni), Copper in Rajasthan (Bhilwara/Khetri).