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?
(a) 1 and 2 only
(b) 4 only
(c) 1 and 3 only
(d) 2, 3 and 4 only
4. Ans: d
Explanation:
MAJOR MINERALS – Chromite, kyanite, Sillimanite
MINOR MINERALS – Bentonite
List of minerals used in the estimation of Gross Value Added

Hence, option d is correct.
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