In the excavation of which of the following sites of Haryana the remains of 4500 years old civilisation found?

Rakhigarhi
Siswal
Rohtak
Karnal

The correct answer is A. Rakhigarhi.

Rakhigarhi is an archaeological site in Hisar district of Haryana, India. It is one of the largest Harappan sites discovered so far, covering an area of over 350 hectares (865 acres). The site was first excavated in 1963 by the Archaeological Survey of India (ASI). Further excavations were conducted in 1997, 2003, and 2014.

The excavations at Rakhigarhi have revealed a well-planned city with a complex system of streets, houses, and public buildings. The city was also home to a large number of workshops and industries, including pottery, metalworking, and bead making.

The remains of a 4500-year-old civilization have been found at Rakhigarhi. This civilization is believed to be the Indus Valley Civilization, one of the earliest urban civilizations in the world. The Indus Valley Civilization was known for its advanced urban planning, sophisticated architecture, and intricate pottery.

The discovery of the 4500-year-old civilization at Rakhigarhi is a significant archaeological find. It provides new insights into the Indus Valley Civilization and its early development.

The other options are incorrect because they are not archaeological sites in Haryana.