Categories

• Others
• enviromental studies
• Physics,History
• geography
• Political Science,History
• Botany,Physics
• psycholigy
• Physics,odiya
• Other
• Others,Chemistry

Authors

• Jhumpa
• Prakash & Dewani
• Arora C.C
• R.D,Vidyanthi,Mishra , Others, P.K
• Sahu, S.C.
• S.K.,surveyar,S.K.,surveyar
• Mahotra
• Acharya , S.N
• Sinha , S.K.
• Agrawal,D.D