pyq/2020/prelims/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?

(A) 1 and 2 only

(B) 4 only

(C) 1 and 3 only

(D) 2, 3 and 4 only