Question

Harappa people had to migrate

Answer 1

There are different reasons to the migration of Harappa.

1.There was a huge storm of rain and Flood broke out in the city.

2.They went for search to start new civilisation.

3.An earthquake broke out and left huge destruction to the city.

4.They were cursed.

Although there is no specific answer for this but still the above are the few reasons which historian gave.