Question

the rivers in the Northern India are mostly perennial ​

Answer 1

The rivers of Northern India are mostly perennial because, they contain water through out the year as the source of water of these rivers are glaciers and oceans and they are connected with other rivers.

                             HAPPY HOLI                                

Answer 2

Answer:

the rivers of northern India are mostly perennial because

i) this river have there water sources from the glacier and ocean

ii) this all river combine with each other somewhere or else