Philosophy is getting very popular as an optional subject these days. Only four to five standard books are more than enough to prepare Philosophy optional in depth. If you have even a moderate interest in philosophy, try to go through some books of university level. If you see your understanding going in any direction and it does not bore you, it’s for you. Once you begin understanding philosophy, you have the chances that you can exploit it at any level.
Books for Philosophy Optional – English
Books for Philosophy Optional – Hindi