Consider the following minerals:
1. Bentonite
2. Chromite
3. Kyanite
4. Sillimanite
Q. 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
stats:
0,408,384,408,112,56,216