Categories

• Biology
• Economic
• Physics,History
• Zoology
• Others,Chemistry
• Economics
• Logic
• Hindi
• Chemistry,odiya
• Political Science

Authors

• Raj marideep
• hazard, j.n.
• deepika & Jani
• Biswas , d.k.,Biswas , d.k.
• Thope
• D.
• carroll
• Mishra , Majhi
• Singh S.K
• Pattanaik, D.D,Gupta, D.C