Which civilizatio A Balathal

B. Chandravati

C. Ahar

D. Indus

Option A is incorrect because Balathal was the extended area of the Ahar civilization and derived its copper from the Ahar region.

Option B is incorrect because Chandravati was a site mainly related to the fortification and buildings that were associated with storage and architecture.

Option C is correct because Ahar was a prime centre for the production of copper tools like axes, ornaments etc.

Option D is incorrect because Indus was prime fertile land for crop production.