Speedy Science 2020 High Quality Offline Hindi Book Download Free and read anytime and anywhere. It is very helpful for Competitive Exams Which is conduct by SSC, Banks, Railway, State Exams like Up, Bihar etc. This book App is generated by The Education Planet Chapters of this Book 1. Chemical names and formulas 2. Chemistry 3. Computer Science 4. Key amazing facts of the body 5. Major equipment and their function