Pustakey is a platform to buy & sell used as well as new books, notes, and material all over India. Want to sell your books? You just need to post an ad for the book you want to sell and offer the desired price. The delivery agent will pick it up and ensure delivery to the buyer. Want to buy the book? Visit the app, select your book, and bargain it to your desired price. The delivery agent will supply it to your doorstep. The app contains 20+ categories and 70+ subcategories of books.