Consider the following rivers: 1) Vamsadhara 2) Indravati 3) Pranahita 4) Pennar Which of the rivers given above are the tributaries of Godavari?

The answer is D. Indravati and Pranahita are Godavari tributaries, while Vamsadhara and Pennar are independent peninsular rivers. Pranahita is formed by the confluence of the Wardha and Wainganga (with the Penganga), and it joins the Godavari on the Telangana-Maharashtra border. Indravati rises in the Kalahandi hills of Odisha, flows through Bastar in Chhattisgarh, and meets the Godavari near the Chhattisgarh-Telangana border region.

• Vamsadhara is wrong. It rises in the Eastern Ghats of Odisha and drains directly into the Bay of Bengal.
• Pennar is wrong. It rises in Karnataka, flows east through Andhra Pradesh, and drains into the Bay of Bengal, not the Godavari.

The core concept is the drainage pattern of the peninsular plateau, where the Godavari is the largest river and has a long list of tributaries from both the Western and Eastern Ghats. For Mains, this basin links to inter-state water disputes and projects like Polavaram and Kaleshwaram.

Trap: aspirants assume any river in the Andhra Pradesh or Eastern Ghats region belongs to the Godavari system because the geography looks similar.