Categories

• Environmental Studies
• Chemistry
• Others,Botany
• Others,Physics
• enviromental studies
• Political Science,Education
• Physics,odiya
• Others,Education
• Others
• History

Authors

• J.L,nehru,R.S,mughali
• Dash
• pegrave
• Ray.A.K,K.C Maharana , D.K Dath
• j.r.,dyen,j.r.,dyen
• Devadhar ,C.R
• Brilal
• n. and mohapatra
• Singh B.N.
• Mishra , S.K.,Mishra , S.K.