Categories

• Hindi
• Zoology
• Botany,Physics
• Others,Chemistry
• History,odiya
• Chemistry
• Chemistry,odiya
• Economic
• enviromental studies
• Others,Physics

Authors

• J.,kennett
• Patraik , Patraik
• Mishra ,Sarma
• H.H
• Pradhan .C
• Mahajan, V.D
• King
• Das B.D
• K. C
• Basson