Categories

• Chemistry
• enviromental studies
• Physics,History
• Others,English
• Eng
• evs
• Education
• History
• Others,Biology
• Zoology,odiya

Authors

• Ray, Arundhati
• pattanaik and das
• Mishra D
• D.,Bhuyan ,Das , b.k and others (e.d)
• rastogi and aneja,Sharma, nanda and das
• Verma , v. ,Sharma, p.d.
• Mohanty , K.L.
• Prem Chand
• Ray H.P.
• brahmachari p.