Question

About 2500 years ago on the banks of which river cities got developed

Answer 1

Answer:

The places where rice was first grown are to the north of the Vindhyas. About 4700 years ago, some of the earliest cities flourished on the banks of river Indus and its tributaries. Later, about 2500 years ago, cities developed on the banks of the Ganga and its tributaries, and along the sea coasts.