Question

why Indo gangetic plain contains high density of population

Answer 1

Indo gangatic plains are very fertile for growth of crops. Therefore there is high of density population.
I hope you find it useful.

Answer 2

HEYA MATE HERE U GO.

This area in south Asia is extrmely fertile and excellent for farming.

This makes the Indo - Gangetic plain a heaven for Indian farmers to grow rice and wheat.

The plains supports high density of population as it is very easy to build on