Option b is the correct answer Option b is correct. Harappa is an archaeological site in Punjab, Pakistan, about 24 km ( 15 mi ) west of Sahiwal. Option a is incorrect. Kalibangan, the ancient site of the Indus Valley civilization is located in northern Rajasthan state, northwestern India. Option c is incorrect. Lothal was one of the southernmost sites of the ancient Indus Valley civilisation, located in the Bhal region of the Indian state of Gujarat. Option d is incorrect. Alamgirpur from the Harappan period, located in Meerut district, Uttar Pradesh, India. It is the easternmost known site of the civilization.