Complete Notes on Rivers of India
1. Classification of Rivers in India
- Himalayan Rivers
- Peninsular Rivers
- Coastal Rivers
- Inland Drainage Rivers
2. Himalayan Rivers
These rivers originate from the Himalayas and are perennial (flow throughout the year).
Major Himalayan Rivers
- Indus River System
- Ganga River System
- Brahmaputra River System
Important Points:
- Himalayan rivers form large deltas.
- They are snow-fed and rain-fed.
- Very useful for irrigation and hydroelectric power.
3. Ganga River System
- Origin: Gangotri Glacier (Uttarakhand)
- Length: Approx. 2525 km
- Mouth: Bay of Bengal
- Major Tributaries: Yamuna, Kosi, Ghaghara, Gandak
- Forms: Sundarbans Delta (Largest delta in the world)
4. Brahmaputra River System
- Origin: Tibet (Angsi Glacier)
- Known as Tsangpo in Tibet
- Flows through Assam
- Joins Ganga in Bangladesh (Meghna)
5. Indus River System
- Origin: Tibet near Mansarovar Lake
- Major Tributaries: Jhelum, Chenab, Ravi, Beas, Sutlej
- Flows mainly through Pakistan
6. Peninsular Rivers
These rivers originate in Peninsular Plateau and are mostly rain-fed.
East Flowing Rivers (Form Delta)
- Godavari (Dakshin Ganga)
- Krishna
- Mahanadi
- Kaveri
West Flowing Rivers (Form Estuary)
- Narmada
- Tapi (Tapti)
- Luni
7. Important Dams on Rivers
| Dam | River | State |
|---|---|---|
| Bhakra Nangal | Sutlej | Himachal Pradesh |
| Hirakud | Mahanadi | Odisha |
| Sardar Sarovar | Narmada | Gujarat |
| Tehri Dam | Bhagirathi | Uttarakhand |
8. Important Facts for Exams
- Longest river in India: Ganga
- Longest river system in India: Ganga River System
- Largest west-flowing river: Narmada
- Sorrow of Bihar: Kosi
- Sorrow of Bengal: Damodar
- Only male river: Brahmaputra
9. Rivers of Jammu & Kashmir (Important for JK Exams)
- Jhelum
- Chenab
- Ravi
- Indus
10. Most Important One-Liner Revision
- Ganga originates from Gangotri Glacier.
- Godavari is the longest Peninsular river.
- Narmada flows west into Arabian Sea.
- Brahmaputra forms Majuli Island (Largest river island).