Categories

• Logic
• Physics,History
• Chemistry
• geography
• Botany,Zoology
• Others,English
• Economics,Political Science
• Botany,Physics
• Political Science,Zoology
• Education,Zoology

Authors

• Arthur
• P,Mukharjee,T,Katei
• Mahmool, Jater
• hell, l.a.,hell, l.a.
• Nayak, Rout
• Roy , P.,H.K.,mahatab
• thyagaraju
• J.,swift,Bronte, c.
• sahu and sribeytaba
• Pradhan, K.S.,pattanik, mohanty and das