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.
The Ganga River System
The Ganga River System is the largest river system in India.
The total area of the Ganga basin in India is 861,404 sq km which accounts for 26.3% of the geographical area of the country.