Categories

• Others,Chemistry
• evs
• IT
• Botany
• Education,Zoology
• Others,History
• Ethics and Values
• geography
• History
• Physics,History

Authors

• Mushinal
• E,Ballgarasani
• Rajgopal Chari ,C
• Pattanaik.B,Das. Sarala
• Vas
• verma and vedaranjan
• raman and singh,P,K,Dhar
• Panda R.P
• Agrawal,Lekhi ,K.K,Das
• B.C,Rout,Sharma, Sadana