The Mahanadi
Explanation
The Peninsular drainage system comprises rivers that are older than the Himalayan rivers. Their courses are established, and their sources are located in specific highland regions of the Deccan Plateau and Central Highlands.- The Godavari is Incorrect: The Godavari is the largest Peninsular river system. It rises from the slopes of the Western Ghats in the Nasik district of Maharashtra.
- The Mahanadi is Correct: The Mahanadi rises in the highlands of Chhattisgarh (specifically near Sihawa in the Raipur district). It flows through Odisha to discharge its water into the Bay of Bengal.
- The Narmada is Incorrect: The Narmada originates on the western flank of the Amarkantak plateau in Madhya Pradesh. It flows westwards in a rift valley between the Satpura and Vindhya ranges.
- The Tapi is Incorrect: The Tapi originates from Multai in the Betul district of Madhya Pradesh. It flows parallel to the Narmada but is shorter in length.
Key Takeaway: Among the major Peninsular rivers, the Mahanadi is distinct for its origin in the Chhattisgarh highlands, while the Narmada and Tapi originate in Madhya Pradesh, and the Godavari originates in Maharashtra.