Categories

• Physics,History
• Computer Science
• economy
• Botany
• Others,Biology
• enviromental studies
• English
• Environmental Studies
• Logic
• psycholigy

Authors

• Pati, M.S.,Pati, M.S.
• Rao, Payhpalata
• Maheswari
• B.,Upadhyaya ,R.K,Meher
• Sharma,Hill
• Gangadhar
• bhambri
• Ram Mohan
• Nayak, P.L
• h.l.