Vedic primary text / recension
Vishnu hymns, Purusha Sukta, Narayana Sukta
Exact recension, passage, accent and trained reviewer.
Itihasa
Mahabharata, Ramayana, Bhagavad Gita, Vishnu Sahasranama
Edition, parva/kanda, passage and translation.
Purana
Narrative, avatara, cosmology, vrata and sacred geography
Name Purana, edition, chapter and interpretive status.
Pancharatra / Vaikhanasa text
Temple theology, iconography and ritual systems
Qualified lineage/academic review; restricted practice withheld.
Divya Prabandham and bhakti canon
Alvar hymns, temple praise and theology
Original language, hymn/pasuram, commentator and community review.
Vedanta commentary
Philosophical interpretation
Author, school, edition and translation; do not universalise.
Official temple or endowment source
Current worship, access, booking, fees and festival data
Authority name, URL, verification date and archived evidence.
Government / ASI / UNESCO
Administration, heritage, route, conservation and safety
Current jurisdiction and date; do not convert heritage status into theology.
Peer-reviewed scholarship
History, art, epigraphy and religious studies
Full citation and distinguish scholarly inference.
Oral/local tradition
Living practice, names and memory
Named community/authority, consent, date and non-exclusive wording.
Vedic Heritage Portal
Vedic Heritage Portal, Government of India — Vedic text and recitation resources: https://vedicheritage.gov.in/
Gita Supersite
Gita Supersite, IIT Kanpur — Bhagavad Gita text and attributed commentaries: https://www.gitasupersite.iitk.ac.in/
Tirumala Tirupati Devasthanams
Tirumala Tirupati Devasthanams — current Tirumala temple, seva, darshan and pilgrimage information: https://www.tirumala.org/
Badarinath Kedarnath Temple Committee
Shri Badarinath Kedarnath Temple Committee — current Badrinath administration and pilgrimage notices: https://badrinath-kedarnath.gov.in/
Tamil Nadu HR and CE Department
Tamil Nadu Hindu Religious & Charitable Endowments Department — official Vishnu temple records and visitor information: https://hrce.tn.gov.in/
Jagannath Temple and Odisha authorities
Shree Jagannath Temple Administration / Government of Odisha — use the current official temple and state portals for access and festival notices.
Archaeological Survey of India
Archaeological Survey of India — monuments, archaeology and visitor controls: https://asi.nic.in/
UNESCO World Heritage Centre
UNESCO World Heritage Centre — Group of Monuments at Hampi, including Vitthala heritage context: https://whc.unesco.org/en/list/241/
State and district authorities
State endowments, tourism, police, district, disaster-management, forest and transport portals — current crowd, road, weather and access orders.
Critical editions and scholarship
Institutional critical editions, university presses, epigraphic series and peer-reviewed scholarship — textual, historical and iconographic claims.