Categories

• Economic
• Physics
• Others,odiya
• Political Science,History
• Physics,History
• History
• economy
• Political Science,Zoology
• Others,History
• Botany,Zoology

Authors

• Sundaram , Vikash
• Allen, R.N., h.b. and campbell
• Cryle
• Venne, Julew
• Srimati R.k
• Joseph
• Roy , A.C
• Sharma Y.R.
• Aggarwal
• Chetan