Ghaghara | - Origin → Bharchachungar Glacier (Rakas lake) near Mansarovar
- Joins Ganga at Chhapra
- Known as Manchu or Karnali in Nepal
- Known as Saryu or Ghaghra in UP
- Perennial river
- Major tributaries → Sarda & Rakti
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Gandak | - Origin → Sino – Nepal Boundary (Dhaulagiri range)
- Known as Kalyani in Nepal
- Major River of Nepal
- Joins Ganga at Sonpur, Bihar
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Kosi | - Origin → Gosainath peak (Tibet)
- Merges with river Ganga at Bhagalpur (Bihar)
- Consists of 7 streams & known as Saptakoshi in Nepal
- Main stream → Arun, Tamur & Sun Koshi
- Formerly Known as Sorrow of Bihar
- Major Projects → Kusha Dam
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Son | - Origin → Amarkantak Plateau (Near north of origin of Narmada)
- Flows through Kaimur Range to meet Ganga at Patna
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Gomti | - Originates from Gomat Taal / Fulhaar jheel – Pilibhit
- A tributary of Ganga
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Yamuna | - Origin → Yamunotri Glacier (Uttarkashi – Uttarakhand)
- Largest Tributary of Ganga
- After cutting deep gorge across Shivalik, it enters into plains near Tajewala
- Flows southward up to Agra & then turns southeast to meet Ganga at Allahabad
- Famous tributaries → Chambal, Sind, Betwa & Ken
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Betwa | - Major Tributaries → Tributary of Yamuna, rises from Vindhya range, MP
- Major Projects → Matatila dam & Rajghat dam
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Ken | - Rises from Kaimur hills in Satna (Madhya Pradesh), a tributary of Yamuna
- Famous for its Shajar stone & Raneh waterfalls
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Chambal | - Origin → Vindhya Range (Mhow, MP)
- Passes through Kota & Dhaulpur (Rajasthan)
- Merge with Yamuna at Etawah (UP)
- forms boundary between Rajasthan & MP
- Major tributaries → Kali Sindh, Parvati & Banas
- Main Power Projects → Gandhisagar, Rana Pratap Sagar & Jawahar Sagar
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Banas | - Originate from eastern slopes of Aravali
- Tributary of Chambal
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Damodar | - Origin → Eastern part of Chhota Nagpur Plateu
- Meets Hoogli at Falta
- Power Projects → Talaiya, Maithan, Barakar & Panchet
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