Categories

• zoolozy
• Physics,odiya
• Eng
• Chemistry,odiya
• Ethics and Values
• Chemistry
• enviromental studies
• Others,Physics
• Biology,odiya
• IT

Authors

• Kundanlal
• Kotpal
• H.L
• Nanda, Sekhar
• M.,Patri ,R.,bahatnagar
• Nayak, p.m.
• R.D,Vidyarthi
• Dasson
• Soni P.L
• three authors