The correct answer is (c) Gopala.
Gopala was the founder of the Pala dynasty, which ruled over Bengal and Bihar in India from the 8th to the 12th centuries. He was a powerful ruler who expanded the Pala kingdom and made it a major power in the region. He was also a patron of the arts and literature, and his reign was a time of great cultural and intellectual achievement.
Dharmapala was the son of Gopala and the second ruler of the Pala dynasty. He was a successful military leader who expanded the Pala kingdom even further. He was also a devout Buddhist and built many temples and monasteries.
Deopola was the third ruler of the Pala dynasty. He was a weak ruler who was unable to maintain the power and prestige of the Pala kingdom. He was eventually overthrown by his son, Rampala.
Rampala was the fourth ruler of the Pala dynasty. He was a strong ruler who restored the power and prestige of the Pala kingdom. He was also a patron of the arts and literature.
The Pala dynasty was a major power in India for over 300 years. They were responsible for many important cultural and intellectual achievements.