Understanding River Tributaries

A tributary is a stream or river that flows into a larger stream or river or a lake. It does not flow directly into a sea or ocean. Understanding which rivers are tributaries of a major river system like the Godavari is important for geographical studies.

The Godavari River System

The Godavari is the second longest river in India and the third largest in terms of discharge of water. It rises in Trimbakeshwar, Nashik, Maharashtra, and flows east through the Deccan Plateau, draining into the Bay of Bengal. It has numerous tributaries that join it from various regions.

Identifying Tributaries of the Godavari River

The question asks us to identify which of the given rivers is NOT a tributary of the Godavari river. Let's examine each option:

• Mahi River: The Mahi River is a river in western India. It rises in Madhya Pradesh and flows through Rajasthan and Gujarat, eventually draining into the Arabian Sea through the Gulf of Khambhat. It flows in a completely different direction and region compared to the Godavari basin.
• Pranhita River: The Pranhita River is a major tributary of the Godavari river. It is a confluence of the Wardha and Wainganga rivers. It flows through Maharashtra and Telangana.
• Manjra River: The Manjra River is an important right-bank tributary of the Godavari river. It originates in the Balaghat range of hills in Maharashtra and flows through Maharashtra, Karnataka, and Telangana.
• Purna River: The Purna River is a major tributary of the Godavari river that flows through Maharashtra. It is known for draining a large area of the Vidarbha region.

Analysis of Options

Based on our understanding of these rivers:

The Mahi River is clearly not part of the Godavari river system. It flows westwards and drains into the Arabian Sea, while the Godavari flows eastwards into the Bay of Bengal and its tributaries are located within the Deccan Plateau region.

Therefore, the river that is NOT a tributary of the Godavari river is the Mahi.

Revision Table: Key Tributaries of Godavari

Additional Information on Indian Rivers

Understanding the major river systems and their tributaries is crucial for geography. Here are some related points:

• Major east-flowing rivers in India (draining into Bay of Bengal): Godavari, Krishna, Cauvery, Mahanadi.
• Major west-flowing rivers in India (draining into Arabian Sea): Indus, Narmada, Tapti, Mahi, Sabarmati.
• The Godavari river basin covers parts of Maharashtra, Telangana, Andhra Pradesh, Chhattisgarh, Odisha, and Karnataka.
• Tributaries contribute significantly to the volume of water in the main river and play a vital role in the river's ecosystem and the geography of the region it drains.