The correct answer is Siddharaja Jayasimha.
Siddharaja Jayasimha was the most powerful and influential ruler of the Solanki dynasty. He ruled from 1094 to 1143 CE and is considered to be one of the greatest rulers of medieval India. He was a patron of the arts and sciences and built many temples and other monuments. The Modhera Sun Temple is one of the most famous temples built during his reign.
Bhima I was the founder of the Solanki dynasty. He ruled from 942 to 961 CE. He was a powerful ruler who expanded the kingdom and built many temples.
Mularaja was the second ruler of the Solanki dynasty. He ruled from 961 to 1010 CE. He was a successful military leader who defeated the Chalukyas and the Pratiharas. He also built many temples and other monuments.
Kumarapala was the sixth ruler of the Solanki dynasty. He ruled from 1143 to 1174 CE. He was a successful military leader who defeated the Chaulukyas and the Gahadavalas. He also built many temples and other monuments.
The Modhera Sun Temple is a Hindu temple dedicated to the sun god Surya. It is located in the town of Modhera in the Mehsana district of Gujarat, India. The temple was built in the 12th century by Siddharaja Jayasimha. It is one of the most important temples of the Solanki dynasty.
The temple is built in the Nagara style of architecture. It is a rectangular structure with a mandapa (hall), a antarala (vestibule), and a garbhagriha (sanctum sanctorum). The mandapa is supported by 48 pillars. The antarala is decorated with sculptures of gods and goddesses. The garbhagriha houses a linga (phallic symbol of Shiva).
The temple is a fine example of Solanki architecture. It is a UNESCO World Heritage Site.