Categories

• Education,Zoology
• History
• Education
• Chemistry
• englisg
• Hindi
• Political Science,Zoology
• Eng
• Physics,odiya
• Others,Physics

Authors

• Sharma,Hill
• Sulochana
• S.M,Mohin,S.M,Mohin
• Bhatia, t., k.k. and purohit,Bhatia, t., k.k. and
• Srivastava, K.M.
• bhatnagar and bhatnagar,K.S.,sidhu
• Banal , hazari and padhee
• chandra and singh
• craig, g.a.,craig, g.a.
• G.C,Nayak