Categories

• Biology,odiya
• Others,Botany
• Economics,Political Science
• Education,Zoology
• IT
• Physics,History
• Others,English
• Chemistry
• Others,Chemistry
• Political Science,Zoology

Authors

• raj hans
• S.K.,Mallick
• Sahu L.C
• Mishra , B.D,Das ,A.K
• Sukla
• Bahl , Tuli
• m.d.,cervartes
• S,Narayan ,H.K,Sathpaty
• Avasthi
• Bhatta K.K