The correct option is C Only 1, 2, 4 and 5
Indus valley civilization:
The archaeological studies made on the basis of excavations at Ganeshwar, an old mining town located east of Khetri in north Rajasthan (India), ascribe the earliest Indian copper mining to Indus valley civilization which the used in making of Bronze. The Indus valley people knew the use of copper, bronze, and silver, gold but not iron.
The Great bath of Mohenjodara is made of uniform baked bricks which makes it able to retain water.
Though evidences of rearing of horse are not common but Horse Bones have been found at Surkotda
Rice Husk has been found at Lothal and Rangpur