Alaknanda and Bhagirathi rivers join to form Ganga at which of the following place?

Dev Prayag

The Panch Prayag of Uttarakhand traces the route carved by Alaknanda River when it leaves its Himalayan abode from Satopanth glacier. It is joined by Dhauliganga River at Vishnuprayag, near Joshimath. Nandaprayag is the second confluence in cascading sequence, where Alaknanda River is joined by Nandakini River. The third confluence of Alaknanda River is at Karnaprayag, where the tragic hero of Mahabharata, Karna, did penance to please Sun God. Here, Pindar River joins Alaknanda. Rudraprayag is the fourth confluence between Alaknanda and Mandakini River. The fifth and final union takes place at Devprayag where Alaknanda River joins Bhagirathi forming river Ganges, which flows down to the plains.