Explanation: The Mahanadi is a significant river in the eastern part of India, particularly in the state of Odisha. It is the third-largest river in India in terms of annual flow and the largest in Odisha. The river originates in the highlands of Chhattisgarh and flows through Odisha before emptying into the Bay of Bengal. The Mahanadi is crucial for the agricultural and economic activities of the region, providing water for irrigation, drinking, and hydroelectric power generation.
The river basin of the Mahanadi covers an area of about 141,600 square kilometers, making it a vital water resource for the region. The river is also known for its delta, which is one of the largest in India. The delta region is rich in biodiversity and supports a variety of ecosystems, including mangroves, wetlands, and forests.
In contrast, the Ganga, Yamuna, and Tapi are rivers located in different parts of India and do not flow through Odisha. The Ganga is a major river in northern India, flowing through states like Uttarakhand, Uttar Pradesh, Bihar, and West Bengal. The Yamuna is a tributary of the Ganga, flowing through states like Haryana, Uttar Pradesh, and Delhi. The Tapi is a river in western India, flowing through the states of Madhya Pradesh, Maharashtra, and Gujarat.
Understanding the geography of rivers in India is essential for students preparing for competitive examinations, especially those focusing on Odisha's geography. The Mahanadi's importance in Odisha's economy and ecology makes it a key river to study and understand. The river's role in providing water resources, supporting agriculture, and maintaining ecological balance in the region highlights its significance in the context of Odisha's geography and economy.