Kosi River
The Kosi River consists of seven streams, namely, Sun Kosi, Tamba Kosi, Talkha, Doodh Kosi, Botia Kosi, Arun and Tamber.
Thus, it is popularly known as Saptkaushiki or Sapta Kosi.
It is a river in Nepal and northern India.
Burhi Gandak River
Burhi Gandak originates from the western slopes of Sumesar hills near the India-Nepal border.
It joins the Ganga opposite Monghyr town.
Gandak river
Gandak River originates in the Great Himalayan Range on the Tibet-Nepal border.
From this junction to the Indian border the river is called the Narayani.
Ghaghra River
Ghaghra River originates near the Gurla Mandhota peak, south of Manasarovar in Tibet.
It is known as the Karnali in Nepal and Mapcha Tsangpo in Tibet.
Ramganga River
Ramganga River rises in the Garhwal district of Uttarakhand.
It is 155 km long and flows from the southwest towards the Kumaon Himalayas.
Son River
Son River is a large south-bank tributary of the Ganga.
The Son River springs from the Amarkantak Plateau, Madhya Pradesh.
It joins the Ganga near Danapur in the Patna district.
Chambal River
Chambal River rises near Mhow in the highlands of Janapao Hills in Madhya Pradesh.
It enters a gorge at Chaurasigarh.
It joins Yamuna in the Etawah district of Uttar Pradesh.
Yamuna River
Yamuna River is the largest and the most important tributary of the Ganga.
It originates from the Yamunotri glacier on the Bandarpunch Peak in Garhwal in Uttarakhand.
It enters the plains near Tajewala.
Ganga River
Ganga River originates as Bhagirathi from the Gangotri glacier, Uttarakhand, India.
Alaknanda joins it at Devaprayag.
Pindar River joins it at Karan Prayag and Mandakini or Kali Ganga at Rudra Prayag.
The combined waters of the Bhagirathi and the Alaknanda flow in the name of the Ganga, below Devprayag.