Categories

• Others,Biology
• Logic
• Other
• Education
• English
• Biology
• Others,English
• Physics,History
• Political Science,History
• Physics,odiya

Authors

• raizada malhotra and batra
• Berma G.C
• Trivedi,Pandly
• P.K.,Dhar
• M.L,Varma
• Satapathy S.N
• P.,Ray,das chittoronjan
• Ranjan M.
• Gupta, r.d. ,a.c.,kapur
• kakari and bhandari,singh and bagde