Consider the following statements:

1.Terracotta models of the plough have been found at sites in Cholistan and at Banawali (Haryana).

2.There is evidence of a ploughed field at Kalibangan associated with the mature phase of the Harappan civilization.

3.The ploughed field at Kalibangan had two sets of furrows crossing at right angles to each other suggesting two different crops were grown together in it.

Which of the statements given above are correct?

Options