The correct answer is: Bil-Kaleshwar Mahadev temple is located in Nadaun, Himachal Pradesh.
Nadaun is a town in Hamirpur district in the Indian state of Himachal Pradesh. It is located on the banks of the Sutlej River, about 100 kilometers from Shimla. The town is known for its ancient temples, including the Bil-Kaleshwar Mahadev temple.
The Bil-Kaleshwar Mahadev temple is a Hindu temple dedicated to the god Shiva. It is one of the most important temples in Himachal Pradesh. The temple is believed to have been built in the 10th century by the Katyuri kings.
The temple is located on a hilltop overlooking the town of Nadaun. The temple complex consists of a main temple, a number of smaller temples, and a large courtyard. The main temple is dedicated to the god Shiva. The temple is built in the Nagara style of architecture. The temple has a pyramidal shikhara (tower) and a mandapa (hall). The temple is decorated with sculptures of Hindu deities.
The Bil-Kaleshwar Mahadev temple is a popular pilgrimage destination. The temple is visited by thousands of pilgrims every year. The temple is also a popular tourist destination. The temple is open to the public all year round.
The other options are incorrect because:
- Trigarta is a region in the Indian subcontinent that was once ruled by the Trigarta kings. The region is now part of the Indian states of Himachal Pradesh and Punjab.
- Ropar is a town in Rupnagar district in the Indian state of Punjab. It is located on the banks of the Sutlej River, about 200 kilometers from Chandigarh. The town is known for its historical importance.
- Markand is a town in Bilaspur district in the Indian state of Himachal Pradesh. It is located on the banks of the Markanda River, about 150 kilometers from Shimla. The town is known for its ancient temples, including the Markandeshwar Mahadev temple.