Categories

• Hindi
• Economic
• Political Science,Zoology
• Education
• Logic
• englisg
• Physics,odiya
• Zoology
• enviromental studies
• Political Science

Authors

• S,Glasstine,P,Mukharjee
• Vaidyanath
• y.r.,waghmare
• Sen Amontya
• Thomas,Pink
• Prasad ,Sonpal & Vaishnav
• Satpathy, R.K.
• verma and agrawal,Dutta , a.c.
• Kotpal, R.H,Kotpal, R.H
• Rath P.C.