Vaishnavism is one of the major traditions within Hinduism, focused on the worship of Vishnu, one of the principal deities of Hinduism, and his various incarnations, particularly Ram and Krushna. It is one of the oldest and most widely followed branches of Hinduism, with a rich theological, philosophical, and devotional heritage.

Vaishnavas, followers of Vaishnavism, primarily worship Vishnu as the Supreme God and the ultimate reality (Brahman). Vishnu is depicted as the preserver and sustainer of the universe, who incarnates on Earth whenever righteousness is threatened (avatars) to restore cosmic order.

Vaishnavism acknowledges the concept of avatars, wherein Vishnu incarnates on Earth in various forms to protect the righteous, vanquish evil, and establish dharma (righteousness). The most revered avatars of Vishnu include Ram, Krushna, and Narasimha, among others. Each avatar is believed to possess unique qualities and attributes.

Bhakti, or loving devotion to God, is central to Vaishnavism. Vaishnavas cultivate a deep and personal relationship with Vishnu through devotional practices such as prayer, worship, singing hymns, chanting divine names (kirtan), and engaging in acts of service (seva). Bhakti is considered the most direct and accessible path to spiritual realization and liberation (moksh).

Vaishnavism, one of the major traditions within Hinduism, possesses a rich collection of scriptures that serve as the foundation for its philosophy, theology, worship practices, and spiritual teachings. These scriptures include ancient texts, epics, Puranas, and philosophical treatises, which are revered by Vaishnavas worldwide. Here are some of the key scriptures in Vaishnavism:

1. Vedas: The Vedas, the oldest sacred texts of Hinduism, form the foundational scriptures for all Hindu traditions, including Vaishnavism. While the entire Vedic corpus is significant, certain sections such as the Sama Veda and the Rig Veda contain hymns dedicated to Lord Vishnu and his avatars.
2. Upanishads: The Upanishads are philosophical texts that explore the nature of reality, the self (atman), and the ultimate truth (Brahman). Vaishnavism draws upon Upanishadic teachings, especially those emphasizing devotion (bhakti) and the identity of the individual soul with the Supreme Soul (Vishnu or Narayana).
3. Bhagavad Gita: The Bhagavad Gita, often referred to simply as the Gita, is a revered scripture within Vaishnavism. It is part of the Indian epic Mahabharata and presents a dialogue between Prince Arjuna and Lord Krishna, who serves as his charioteer. The Gita covers various aspects of duty, righteousness, devotion, and spiritual wisdom, offering profound teachings on yoga, karm, and bhakti.
4. Ramayan: The Ramayan, attributed to the sage Valmiki, narrates the life and adventures of Lord Ram, an incarnation of Vishnu, and serves as a cherished scripture in Vaishnavism. The epic extols the virtues of righteousness, devotion, and loyalty, embodying ideals upheld by Vaishnavas.
5. Mahabharat: The Mahabharat, one of the longest epic poems in the world, contains sections dedicated to the glories of Lord Vishnu and his incarnations, particularly in the form of Lord Krushna. Vaishnavas revere the Mahabharat for its moral and philosophical teachings, as well as its depiction of Lord Krushna’s divine pastimes.
6. Vishnu Puran: The Vishnu Puran is one of the eighteen Mahapuranas and is dedicated to Lord Vishnu. It provides a detailed account of Vishnu’s various incarnations, cosmic creation, and the principles of dharm (righteousness) and bhakti (devotion). The Vishnu Purana is highly esteemed by Vaishnavas for its theological insights and narrative richness.
7. Bhagavat Puran: Also known as the Srimad Bhagavatam, the Bhagavata Purana is considered one of the most important scriptures in Vaishnavism. It recounts the divine pastimes of Lord Krushna in detail, from his childhood in Vrindavan to his role as a king in Dwarka. The Bhagavata Purana emphasizes the supremacy of devotion to Krishna (bhakti) as the highest path to spiritual liberation.
8. Pancharatra Agamas: The Pancharatra Agamas are a group of texts that provide guidelines for deity worship, temple construction, rituals, and philosophical understanding within Vaishnavism. These scriptures, attributed to the sage Narayana, form the basis for the ritualistic worship of Lord Vishnu and his various forms, including worship in temples.

These scriptures, along with numerous other texts, commentaries, and hymns, collectively form the vast repository of Vaishnava literature, offering devotees a comprehensive guide to spiritual life, devotion, and the worship of Lord Vishnu and his avatars.

Within Vaishnavism, different philosophical schools have emerged, each offering unique perspectives on the nature of reality, the relationship between the individual soul (jiva) and God (Vishnu), and the means of attaining liberation. These include schools like Advaita Vedanta (non-dualism), Vishishtadvaita Vedanta (qualified non-dualism), and Dvaita Vedanta (dualism), each of which interprets the Vedanta philosophy in distinct ways.

Vaishnavism encompasses a diverse range of traditions, sects, and sub-sects, each with its own rituals, practices, and theological interpretations. Some of the major Vaishnava sects include the Sri Vaishnavas (followers of Ramanujacharya), the Gaudiya Vaishnavas (followers of Chaitanya Mahaprabhu), and the Vallabhacharya tradition, among others.

Vaishnavism has had a profound influence on Hindu culture, spirituality, and religious life, with millions of adherents worldwide. It emphasizes the universal principles of love, compassion, and devotion as the keys to spiritual fulfillment and the ultimate goal of life.