Categories

• Others,Chemistry
• English
• Physics,odiya
• History
• pyschology
• Others,Biology
• Physics,History
• Other
• Biology
• Others,English

Authors

• Pattanaik Deepti
• Das , Choudhury
• M.M
• Gupta, S.P
• B.K.,bhattacharya ,B.K.,bhattacharya
• Willam
• Sharma, c.d.,P.,Pandey
• Sinha , J.N,Arora, Singh
• Pradhan S.
• prafulla kumar