Q. Which of the following type of rivers had their existence before the upheaval of the Himalayas and they created gorges in the mountains? Answer:
Antecedent River
Notes: Antecedent Rivers had their existence before the upheaval of the Himalayas and they created gorges in the mountains. Some of the Antecedent rivers are Indus, Ganga, Brahmaputra, Tista, etc.