Categories

• zoolozy
• englisg
• Economics
• IT
• Others,Biology
• Ethics and Values
• Political Science
• enviromental studies
• Physics,History
• Others,Botany

Authors

• Zweitel
• M,Bharjaua
• Dath , B.N
• Sahu,prashad, mishra and sahu
• Dhandi
• Mishra , J.C.
• Dutta K.N.
• Nagabhusanam
• Achanya
• p.s.n.