In Geography exams, students often get confused about 'longest river' vs 'largest basin' when it comes to Indian rivers. Let's settle this with precise facts.
The Ganga has the largest river basin in India, covering about 26% of India's total land area across 11 states — more than any other Indian river!
The Ganga is considered the longest river flowing within India, with a length of approximately 2,525 km on Indian territory.
The Ganga originates from the Gangotri Glacier in Uttarakhand and flows through Uttar Pradesh, Bihar, Jharkhand, and West Bengal before emptying into the Bay of Bengal.
The Indus (Sindhu) is actually longer overall (~3,180 km), but the vast majority of its course runs through Pakistan and Tibet. Only about 1,114 km of the Indus flows within Indian territory (mainly through Ladakh).
So: Total length → Indus wins. Length within India → Ganga wins.
The Godavari (about 1,465 km) is called the 'Ganga of the South' (Dakshin Ganga) and is the largest river in Peninsular India (south of the Vindhyas).
It originates in Maharashtra (Nasik) and flows into the Bay of Bengal through Andhra Pradesh.
The **Brahmaputra** carries the highest volume of water (discharge) of any Indian river. Though shorter in Indian territory, it is the mightiest in terms of water volume.
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