Categories

• Economic
• geography
• Physics,History
• Politicalscience
• Chemistry
• Education
• Chemistry,odiya
• Hindi
• Physics
• Others,Political Science

Authors

• M.N
• Gupta, S.Prakash
• Rout, b.d.
• M.D,Raisinghania
• Sanangi N.
• Das ,M.N
• Huxlay T.H.
• Seymour
• Mishra B.B.
• Bramha, g.k.