Categories

• Logic
• Physics
• economy
• Chemistry
• Others,Botany
• Physics,History
• Others,odiya
• Botany,Physics
• Biology
• zoolozy

Authors

• S.K.,supakar
• Howes,Jennifer
• Das , M.,Behera, k.c.
• Parida B.C
• Sahu, k.c.
• Throat
• Sarma , g.p.,Sen, k., S., Chopra, p.s. and kothari
• Datt , Sundaram,B.P,Tyagi
• Mishra Deepak
• H.D