समान संसाधन: Ask me anything:every fact you ever wanted to know
- Lucid General knowledge : for every Indian citizen
- The pearson general studies (paper-i) 2014 : for the civil services preliminary examination
- Indian knowledge system
- Training for development:all you need to know
- Easy encyclopaedia of time ; a parallel history of bengal, india and the world following the pre historic timeline
- Illustrated oxford dictionary