The Siddhar books, also known as Siddhar literature, comprise a vast collection of texts that encapsulate the teachings, wisdom, and experiences of these enlightened beings. These texts cover a wide range of topics, including:
| Source | Type | Quality | Language | | :--- | :--- | :--- | :--- | | | Free PDF/TXT | High (digitally proofread) | Pure Tamil | | Tamil Digital Library (TDL) | Scanned manuscripts | Medium (images of old books) | Archaic Tamil | | Siddha Pharmacopoeia of India | Official PDF | High | Tamil & English | | Internet Archive (Archive.org) | User-uploaded | Varies | Mixed | | DLI (Digital Library of India) | Government scans | Medium | Tamil script | siddhar books in tamil pdf