- Kalibangan is located in the Hanumangarh district of Rajasthan, India. - The Ghaggar river is an intermittent river in India and Pakistan that flows only during the monsoon season. Its dried-up course is believed by many scholars to be the path of the ancient Vedic Sarasvati river. - Archaeological evidence from Kalibangan indicates its existence along this river system during the Harappan period.