Civil Services Examination · ప్రశ్న 92

Consider the following minerals: 1. Bentonite 2. Chromite 3. Kyanite 4. Sillimanite In India, which of the above is/are officially designated as major minerals?

1. A1 and 2 only
2. B4 only
3. C1 and 3 only
4. D2, 3 and 4 only