Harshavardhana was known for his patronage of Buddhism. He was a Buddhist emperor who ruled over the northern Indian subcontinent in the 7th century CE. He was a great patron of the arts and literature, and he built many Buddhist temples and monasteries. He also convened a Buddhist council in Prayag in 643 CE, which was attended by over 1,000 monks.
Hinduism is the oldest religion in the world, and it is still practiced by over 1 billion people today. It is a polytheistic religion, which means that it has many gods and goddesses. The most important Hindu gods are Brahma, Vishnu, and Shiva. Hinduism is a very diverse religion, and there are many different schools of thought within it.
Jainism is a religion that originated in India in the 6th century BCE. It is a non-theistic religion, which means that it does not believe in a supreme god. Jains believe that the universe is eternal, and that it is made up of souls. The goal of Jainism is to achieve moksha, which is liberation from the cycle of rebirth.
Sikhism is a religion that originated in India in the 15th century CE. It is a monotheistic religion, which means that it believes in one supreme god. Sikhs believe that god is called Waheguru, and that he is the creator of the universe. The goal of Sikhism is to achieve salvation, which is a state of perfect bliss.