A
1 and 2
B
2 and 4
C
3 and 4
D
1 and 3
Correct answer: (b) 2 and 4
Explanation
- A
1 and 2
1 and 2. Brahmani rises on the Chhotanagpur / Ranchi plateau, not the Eastern Ghats.
- B
2 and 4
2 and 4. Nagavali and Vamsadhara rise in the Eastern Ghats (Odisha–Andhra). Subarnarekha is Chhotanagpur.
- C
3 and 4
3 and 4. Subarnarekha is the miss.
- D
1 and 3
1 and 3. Both plateau rivers, not Ghats.
Summary. Official key is (b) 2 and 4. Nagavali and Vamsadhara are Eastern Ghats rivers of the Odisha–Andhra coast. Brahmani and Subarnarekha drain Chhotanagpur.
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