That being said, "Naan Yen Piranthen" appears to be a Tamil book, and I'm assuming you're looking for a PDF version of it. Here are a few suggestions:
A: It's unlikely that you'll find a free and legitimate PDF version of the book. Be cautious of websites that claim to offer the book for free.
Key lines from the book translated into English for wider reach. A visual chronological map of his life from 1917 to 1987.
Insights from the editors that provide context to 20th-century Tamil politics. ⚖️ A Note on Copyright