Q. The second largest river basin of India is –

Correct Answer: a) Godavari river basin

Explanation:
– The largest river basin in India is the Ganga.
– Next is the Godavari basin, often called the “Dakshin Ganga,” with a catchment area of about 3.1 lakh sq km, making it the second largest in India and the largest in peninsular India.
– The other options have smaller basins: Mahanadi (~1.4 lakh sq km), Narmada (~0.99 lakh sq km), and Kaveri (~0.81 lakh sq km).