Categories

• Physics,History
• Others,English
• English
• History
• psycholigy
• Physics
• Others,Botany
• Zoology,odiya
• Sanskrit
• Logic

Authors

• S,Sankar,G.K,Ghash
• Jena B.C
• M.,boulton,M.,boulton
• Gupta, S.P,Sen, K.K
• a.s.,ramsay,a.s.,ramsay
• Shukla , Chandel
• Unesco
• balagurusamy
• Nanda, t.r.
• B.S