Categories

• Chemistry,odiya
• Logic
• Physics,odiya
• Economics,History
• zoolozy
• enviromental studies
• Physics,History
• Other
• Chemistry
• Botany,Physics

Authors

• movrill
• Arora, Gnther
• Postman , Egan
• Yadav
• Others,Bannock
• Gorky M.
• mahap
• Dalai, Sethi and Jena
• Saraf G
• Ajaya H.C