Categories

• Others,Biology
• Others
• geography
• Other
• Sanskrit
• Others,Physics
• Economics,History
• Botany
• Education,odiya
• Botany,Physics

Authors

• Prasad B.K
• Gupta, Srivastava
• Finstor
• Patra,Das ,R.D,Vidyarthi
• Cox
• Mathur
• Mishra , b.d.,Harichandar, n.b.
• Rao, Sen , Sukla
• Das K.K.
• S,Mishra