Categories

• Botany,Physics
• Economic
• Botany
• Odia
• Physics,odiya
• Others,Physics
• Other
• geography
• evs
• Others

Authors

• Rai L.L.
• nanda kumar
• Rajalakshmi Y
• Others,Ansari
• sinha and gupta
• B.P,Sarabhai,Pandey , Chadha
• Nabakishor
• T.S
• Flexner Willam
• Gupta,Gun,Dasagapta