At Devprayag the Ganga is formed by the meeting of the Bhagirathi and

Explanation

1. 01

   The Bhagirathi, rising at Gangotri, and the Alaknanda, rising near Badrinath, meet at Devprayag in Uttarakhand; below that point the river is called the Ganga.

2. 02

   The Mandakini joins the Alaknanda earlier, at Rudraprayag.