Question

Why lndus,ganga,bharmaputhra we call perennial rivers and explain

Answer 1

because they have water all over the year in first snow which gets melted gives water and second is by rainwater

Answer 2

Because the perennial rivers usually originate from mountainous snowy regions or glaciers. In India almost all perennial rivers originate from the Himalayan range including Indus, Ganga and Brahmaputra.
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