Hindu god Vishnu is one of the principal deities in Hinduism, known as the preserver and protector of the universe. He is part of the Trimurti, which includes Brahma the creator and Shiva the destroyer. Vishnu is often depicted with a blue complexion, holding a conch shell, a discus, a mace, and a lotus flower. Vishnu is believed to incarnate in various forms, known as avatars, to restore cosmic order. The most famous avatars include Rama and Krishna. Devotees worship Vishnu for his compassion and mercy, seeking his guidance and protection in their lives.