Correct answer: (d) 2 and 3 only
Explanation
- A
1, 2 and 3
(a) 1, 2 and 3. Indravati and Pranahita are Godavari tributaries, but Vamsadhara is an independent east-flowing river of Odisha–Andhra, not a Godavari tributary. Including 1 is wrong.
- B
2, 3 and 4
(b) 2, 3 and 4. Pennar (Penna) is a separate Peninsular river to the Bay of Bengal, not a Godavari tributary. Including 4 fails.
- C
1, 2 and 4
(c) 1, 2 and 4. Both Vamsadhara and Pennar are independent rivers. This set is wrong.
- D
2 and 3 only
(d) 2 and 3 only. Indravati (from Chhattisgarh/Odisha) and Pranahita (Wainganga–Wardha system) join the Godavari. Vamsadhara and Pennar do not. That pair is the official key.
Summary. Official key is (d) 2 and 3 only. Indravati and Pranahita are major Godavari tributaries. Vamsadhara and Pennar are separate east-flowing rivers. Only 2 and 3 belong on the Godavari list.
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