Categories

• Philosophy
• Others,History
• History,odiya
• Political Science,History
• Mathematics
• Others,Biology
• Environmental Studies
• geography
• Chemistry
• Others,Botany

Authors

• Agrawal, Rastogi
• parihar, n.s.
• Purkayastha G.
• Roy & Padhy
• Hanold
• Walter,Allen
• Sharma .N
• davey brain
• mishra and chopdar
• k.p.