Categories

• enviromental studies
• Others,Political Science
• psycholigy
• Botany,Physics
• Others,Chemistry
• Other
• Economics
• Zoology
• Political Science
• History

Authors

• Junaja , Bhamrah,Kotpal, R.H
• Alpha , Beta
• P.C,Vasistha
• Rostogi
• Hota & Mishra
• Rout, P.K
• Keemtilal & Kathuria
• mithauy
• D.,Panimala
• Samal, K.M.,Samal, K.M.