Categories

• geography
• English
• Others
• Others,Biology
• Chemistry
• Economics,History
• Philosophy
• zoolozy
• evs
• Botany,Physics

Authors

• Chakirborty
• Dahl
• bank, das and sharma
• Sagar Prem.
• Behera, dash and others,Behera, dash and others
• Sigelman , Shaffer
• B.L
• Chandra . A.K
• R.,besier,R.,besier
• Mishra , s.s.