Correct option is B
· Brihaspati is a Vedic god that falls under the category of Prithvisthana, or Terrestrial God.
· Brihaspati is a Hindu god associated with fire, wisdom, charms, hymns, and rites.
· He is also the counselor of the gods, Indra, in his war against the asuras.
· Brihaspati is the heavenly prototype of the Brahmans, and most particularly, of the family priest, or purohita.
· In some later texts, the word Brihaspati refers to the planet Jupiter, and the deity is associated with the planet as a Navagraha.
Incorrect options explanation:
· Vishnu was the fifth most important god of Rigveda. He was the preserver of the universe.
· Varuna was the sixth most important god of Rigveda. He was the god of water & rain.
· The main god of Rigveda was Indra. He was the chief god during the Rig Vedic age. He was also known as the king of gods & lord of heaven.