Categories

• Physics,History
• Philosophy
• History,odiya
• geography
• pyschology
• Eng
• Political Science,Zoology
• Chemistry
• Others,Chemistry
• Odia

Authors

• singh and kasyap
• Nasipan
• Mehta U.K
• Gupta, Kumar
• David,Bevington
• Kothan
• parihar
• Panda, K.K
• Gangatree S.K
• ray and samal