Categories

• Chemistry
• Education,Zoology
• Hindi
• Others,Botany
• Others,Physics
• Political Science,History
• Physics,odiya
• pyschology
• Others,Biology
• Chemistry,odiya

Authors

• Fatehally
• COLLINS
• a.s.,ward
• B.K.,bhattacharya
• varian, h.r.
• Samal, b.c.,Samal, b.c.
• H.R
• M.R,Ridley ,J,Lahiri
• Chatterjee, k.
• Devraj S.N