Categories

• Hindi
• Others,Biology
• Physics,History
• enviromental studies
• Sanskrit
• Physics
• Others,English
• Others
• Others,Chemistry
• Zoology,odiya

Authors

• Shaw
• g.a.
• c.
• Sinha , k.n.,Kettle, A.
• M.,sing
• Acharya , p.m.
• Banas, Hazari , Podhi,Iyenyan , Nanda Kumar
• Niven , Montegomeny
• Chandra, S.
• Maharana