Evidence of ploughed field with two sets of furrows at right angles to each other suggesting presence of two different crops have been discovered by the archeologists from which of the early Harappan site?

Kalibangan

The correct answer is Option (1) → Kalibangan

Harappan site of Kalibangan is based on archaeological excavations and findings at the site. Kalibangan is an ancient archaeological site located in the present-day state of Rajasthan, India. Archaeological excavations at Kalibangan have provided valuable insights into the Indus Valley Civilization, also known as the Harappan Civilization.

The discovery of the ploughed field with two sets of furrows at right angles to each other is significant because it suggests advanced agricultural practices in the region. This evidence indicates that the people of Kalibangan were practicing a form of crop rotation, where they were cultivating two different crops in the same field in a systematic manner to maintain soil fertility and maximize agricultural productivity.

So, the correct option is [1].