The correct answer is Kalibangan.
- Kalibangan is a town located on the left or southern banks of the Ghaggar River.
- It is the first city of Rajasthan from which the excavations revealed the existence of the Indus valley civilization.
Key Points
- Kalibangan is a part of the ancient Indus Valley Civilization, located in the present Hanumangarh district.
- The site was discovered by Luigi Pio Tessitori, an Italian Indologist and linguist.
- After Independence in 1952, Amlanand Ghosh identified the site as part of the Harappan Civilization and marked it for excavation.
- Later, during 1961-69, excavation was carried out by B. B. Lal & Balkrishna Thapar.


