Sthanishvara was the ancient name of

Sirsa
Sonipat
Kurukshetra
Karnal

The correct answer is: A. Sirsa

Sthanishvara was the ancient name of Sirsa, a city in the Indian state of Haryana. It is located on the banks of the Ghaggar River, about 200 kilometers (120 mi) northwest of New Delhi. The city is a major commercial and industrial center, and is also home to a number of historical and religious sites.

The name Sthanishvara is derived from the Sanskrit words “sthanu” (meaning “to stand”) and “ishvara” (meaning “lord”). The city is said to have been founded by the Hindu god Shiva, who is said to have stood there for a thousand years.

Sthanishvara is a popular pilgrimage destination for Hindus. The city is home to a number of temples, including the Shri Sthanishvara Mahadev Temple, which is dedicated to Shiva. The temple is said to have been built by the Pandavas, the heroes of the Mahabharata.

Sthanishvara is also home to a number of historical sites, including the ruins of a fort that was built by the Mughal emperor Akbar. The fort is said to have been built in the 16th century.

Sthanishvara is a city with a rich history and culture. It is a popular pilgrimage destination for Hindus, and is also home to a number of historical and religious sites.

The other options are incorrect because:

  • Sonipat is a city in the Indian state of Haryana. It is located on the banks of the Yamuna River, about 100 kilometers (60 mi) north of New Delhi. The city is a major commercial and industrial center, and is also home to a number of historical and religious sites.
  • Kurukshetra is a city in the Indian state of Haryana. It is located on the banks of the Ghaggar River, about 150 kilometers (90 mi) northwest of New Delhi. The city is famous for its association with the Mahabharata, one of the most important Hindu epics.
  • Karnal is a city in the Indian state of Haryana. It is located on the banks of the Karnal River, about 150 kilometers (90 mi) north of New Delhi. The city is a major commercial and industrial center, and is also home to a number of historical and religious sites.