Categories

• Botany
• Economics
• Other
• Hindi
• Others,Biology
• Odia
• enviromental studies
• psycholigy
• Mathematics
• Others,Physics

Authors

• Mishra ,Aservatham
• Meher, G.,Das , s.s.
• Das. B.N,Mishra , H.K
• Hasan
• Glasstone. S,Panigrahi,Shrma
• d.c.,kuanr,A.,bardhan
• Bhatta K.K
• Prem,Nath,Kochhar S.K
• k.,bhamrah h.s. and juneja,k.,bhamrah h.s. and jun
• Woodworlk,Schlosery