Categories

• englisg
• enviromental studies
• Other
• economy
• Physics
• Others,History
• Political Science
• geography
• Others,Physics
• Biology

Authors

• Kotpal, R.L,Dath , M.C
• Pattnaik, Pattnaik,L,Prasad
• Soshti , J.L
• Achrya
• Vashistha , p.c.
• Rout
• Gordon H.C.
• Mahapatra G.N,Ghoshal, S.N
• Routray S.N.
• opadhyaya