Which among the following States has the main deposit of tin ore?

The answer is C) Chhattisgarh. Among the four options, Chhattisgarh has the most significant tin occurrences, mainly in the Bastar region, where cassiterite is the primary tin ore. Tin is a non-ferrous metal, and India's known tin resources are small and largely concentrated in a few belts.

• Assam is known for oil, natural gas, coal and some limestone, not tin.
• Jammu & Kashmir is known for coal, salt and some other minerals, not a major tin belt.
• West Bengal has coal, fireclay and some mineral sands, but not tin as its main deposit.

Note that Rajasthan (Degana area) is a significant tin producer today, and it is not among the options here. Aspirants should not assume Chhattisgarh is the largest tin producer in every year; mineral production figures change, so check the latest Indian Bureau of Mines data for current status. For Mains, connect this to mineral-based industrialisation and the states' role in critical and strategic minerals.

Trap: Candidates often confuse tin with tungsten or with other minerals of the same region. Remember that Chhattisgarh's mineral wealth is commonly linked to iron ore, coal and bauxite, so tin is easily overlooked.