<p>Vishnu, one of the principal deities in Hinduism, is revered as the preserver and protector of the universe. As one of the Supreme Beings alongside Brahma, the creator, and Shiva, the destroyer, Vishnu plays a crucial role in maintaining cosmic order (dharma) and ensuring the balance between good and evil in the world. He is often depicted with a blue complexion, symbolizing his cosmic nature, and is portrayed with four arms, each holding a significant attribute: a conch shell (shankha), a discus (chakra), a mace (gada), and a lotus flower (padma).</p><p><br></p><p>Vishnu's influence extends to his incarnations, or avatars, which he assumes whenever righteousness is threatened or when evil dominates. The ten most famous incarnations, known as the Dashavatara, include revered figures such as Rama, Krishna, and Buddha. These avatars are celebrated for their heroic deeds and divine missions to restore dharma.</p><p><br></p><p>Throughout history, Vishnu has held a significant place in Hindu theology and mythology. His origins trace back to ancient Vedic texts, where he was initially described as a solar deity associated with light and the sky. Over time, Vishnu evolved into one of the central deities of Hinduism, with widespread worship across the Indian subcontinent and beyond. Devotees seek his blessings for protection, prosperity, and spiritual liberation, venerating him in various forms and temples worldwide.</p>