Categories

• Economics
• Logic
• geography
• Botany,Physics
• enviromental studies
• Others,Botany
• Hindi
• Zoology
• Physics,odiya
• Botany,Zoology

Authors

• a.k.,dev
• Das. B.N,Mishra , H.K
• Agrawal, Babita
• Mishra , R.N.,Mishra , g.c.
• Iyeyar K.R.S
• Mishra , N.,Sahu, k.c.
• B.,vickers
• Taniqui M.
• r.o.
• Agrawal, S.,Meher, k.c.