The Shailendra kings who founded their empire in South-east Asia in the 8th Century AD were the followers of _____________.

Correct option is A

The correct answer is (a) Buddhism.
· The Shailendra kings who founded their empire in Southeast Asia in the 8th century AD were followers of Buddhism.
· This is evidenced by the numerous Buddhist monuments and structures they built, such as the Borobudur Temple in Indonesia.
· Many of the Shailendra kings adopted Buddhist names.
· Buddhism is a religion and philosophy that originated in India in the 6th to 4th centuries BCE.
· It is based on the teachings of Siddhartha Gautama, who is known as the Buddha, meaning "Awakened One".
· Shaivism: Shaivism is a Hindu sect that worships Shiva as the supreme deity.