Categories

• Political Science,Education
• geography
• Others,History
• History
• evs
• Mathematics
• Logic
• Others,Education
• Physics,History
• Economic

Authors

• AgrawalB.C
• jha k.,t.m.,perreault
• Tiwari,Vijaya
• Rao,K.V.G.
• chavda
• jain and majhi,das and sahu
• Byman
• Su
• Das H.H
• das and mohanty,sharma and nirja