According to archaeologists which culture in India is marked with its distinctive non-Harappan pottery and an unusual wealth of copper objects, possibly supplying copper to Harappans?

Ganeshwar-Jodhpura culture

There is evidence in the Khetri area for what archaeologists call the Ganeshwar-Jodhpura culture, with its distinctive non-Harappan pottery and an unusual wealth of copper objects. It is possible that the inhabitants of this region supplied copper to the Harappans.