Categories

• Logic
• Environmental Studies
• Physics
• englisg
• Economic
• Botany,Physics
• Education,odiya
• odiya
• Others
• Botany,Zoology

Authors

• Das , m.n.,Das , m.n.
• Mannay, D.A,Sinha , B.B
• B.,nepak,B.,nepak
• R.L,Varshney
• T.L
• mishra and sahu
• Das , Sulochana
• Chopra, p.n.,Gupta, S.B.
• Brenan
• ministry of int & brood casting