Q. What is the correct sequence of these areas in descending order of their coal reserves?
1. Himalayas
2. Chhotta Nagpur
3. Chhattisgarh
4. Son Valley

• (A) 1, 4, 3, 2
• (B) 2, 4, 3, 1
• (C) 1, 3, 4, 2
• (D) 2, 3, 4, 1