The correct answer to the question is option 2, Bhoj (Mihir-Bhoj). The Pratiha-ra dynasty was a prominent dynasty in ancient India, and Bhoj, also known as Mihir-Bhoj, was considered to be its greatest king. Bhoj was known for his military skills, administrative abilities, and patronage of arts and literature. During his reign, he successfully expanded the kingdom`s territories and was revered as a just and powerful ruler. Bhoj`s reign was marked by advancements in various fields, including architecture, astronomy, and medicine. He was also a patron of scholars and poets, and many literary works were composed during his time. Bhoj`s legacy as a great king remains influential in Indian history.