Devira (தெவீரா) is a Tamil-language book; without a specific author or ISBN provided, I’ll assume you mean a commonly referenced Tamil work titled "Devira" (or similar spelling). Below is concise, structured information useful for readers seeking the book or its PDF.
aspirants. His works are widely used as authoritative study guides for language proficiency and general studies in Tamil medium. Key Works and Resources Tamil Literature & Grammar : Major titles include Thamizh Ilakkiya Thagaval Kalanjiyam (a literary encyclopedia) and Deviravin Tamil Ilakkanam (a comprehensive 676-page grammar guide). Exam Specific Guides devira tamil book pdf work
Since you specifically asked for a "review" and mentioned "pdf work" (perhaps looking for a summary or analysis before reading), here is an interesting review and breakdown of the book "Devira". Devira — Tamil Book (PDF) — Overview Devira
(தேவிரா தமிழ் இலக்கியம்). Present day (2020s): Arvind’s investigation