Q1. The Kalaguman and Tikhi area is known for the production of –
Explanation
Kalaguman and Tikhi are noted in Rajasthan mineral geography for emerald occurrences, so emerald is the keyed answer. Garnet is an important gemstone mineral in Rajasthan but is not the identifying production of these two localities. Calcite has separate well-known belts and industrial uses, so it does not fit this location cue. Soapstone, or steatite, is also mined in Rajasthan, but Kalaguman and Tikhi are not conventionally remembered for soapstone in this CET-style location question.
