Correct Answer: Rajasthan

Solution : The correct option is - Rajasthan

Kalibangan is an ancient archaeological site located in the state of Rajasthan, India. It is situated in the Hanumangarh district of Rajasthan, near the Ghaggar-Hakra River. Kalibangan is an important archaeological site because it was one of the major urban centers of the Indus Valley Civilization, which is one of the world's oldest urban civilizations dating back to around 2500 BCE. Excavations at Kalibangan have provided valuable insights into the culture, lifestyle, and urban planning of this ancient civilization.