Read the passage and answer the question :

Representations on seals and terracotta sculpture indicate that the bull was known and that oxen were used for ploughing. Moreover, terracotta models of the plough have been found at sites in Cholistan and at Banawali. Archaeologists have found evidence of a ploughed field at Kalibangan... Most Harappan sites are located in semi-arid lands, where irrigation was probably required for agriculture. Traces of canals have been found at the Harappan site of Shortughai... Besides water reservoirs have been found in Dholavira.

In 1960, B.B. Lal and B.K. Thapar began excavations at which of the following Harappan site?

Kalibangan

The correct answer is Option (4) → Kalibangan

Kalibangan was first excavated under the Directorship of B.B. Lal (ASI) between 1960-61 to 1969-70.

Other excavation team members were B.K. Thapar, M.D. Khare.

So, the correct option is[4].