Categories

• History
• Others
• Physics,History
• Education,Zoology
• Others,Biology
• Economics,Political Science
• Botany,Zoology
• Economics,History
• Botany
• enviromental studies

Authors

• Mukharjee
• Satya ,Shukla , Bhatia
• Ashraf , A.,Ashraf , A.
• K.N,Upadhapya,Nanda, B.N
• Bheda P.D
• B.C,Chatopadhya
• mahanta and bhattacharya
• Acharya , r.c and others,Acharya , r.c and others
• Mishra ,Mahapatra ,Chadwal , G.R
• t.,williams,t.,williams