The correct option is 1 i.e. Availability of raw material at local level.
- The Indus valley civilisation is also known as the Harappan Civilisation.
- The foundation of Indus valley civilization was laid in the Neolithic period.
- The Indus script on seals has not been deciphered yet.
- The main features of the Indus valley civilisation are:
- A fortified citadel at most of the cities.
- Houses with kitchens and wells, tanks or water reservoirs with well drainage system.
- The Practice of burying the dead and dual burial.


