The correct answer is: A. Meru Verman.
Meru Verman was a king of the Trigarta kingdom in the 7th century CE. He is credited with building the Prashar temple, which is a Hindu temple dedicated to the god Vishnu. The temple is located in the town of Prashar, in the Mandi district of Himachal Pradesh, India.
The Prashar temple is a two-storeyed structure, with a pyramidal roof. The temple is built in the Nagara style of architecture, which is characterized by its tall shikhara (spire). The temple is decorated with intricate carvings and sculptures.
The Prashar temple is a popular pilgrimage destination. It is also a popular tourist destination, due to its scenic location and its historical significance.
The other options are incorrect because:
- Sansar Chand was a king of the Mandi kingdom in the 18th century CE. He is not credited with building the Prashar temple.
- Ben Sen was a king of the Mandi kingdom in the 16th century CE. He is not credited with building the Prashar temple.
- Rajendra Sen was a king of the Mandi kingdom in the 19th century CE. He is not credited with building the Prashar temple.