Categories

• Others,Botany
• Botany,Physics
• pyschology
• englisg
• Mathematics
• geography
• Education,Zoology
• Hindi
• Physics,odiya
• Political Science,History

Authors

• C.B
• Tandon,R., m.p and tandon
• Chatwal,G.R.
• Tandeja
• ramsay
• Nanala
• F.A
• Choubey
• Kar. M & Others
• Devadas , Jaya,Hiurlock E.B