Question

Ganga and yamuna nadichya jalpradushnachi karane and parinam

Answer 1

ganga & yamuna are flow in densly populated area.

so the domestic waste As well as industrial waste are dumped in river.

hence this are densly polluted river.

so the Aquatic animals are dying and the water Unhelthy for drinking and houseold purpose

Answer 2

Ganga River is the largest river of river Ganges and it is Yamunotri also known as Uttarkashi.

Mainly it also have its origin of the Yamuna is in the Himalayan glaciated Shinga which is highly sacred among people in India.  

It also enters the district of Agra, with its water near Nagla Akos.