Categories

• Others,English
• Education,odiya
• Economics
• evs
• Biology,odiya
• Others,Biology
• Other
• Others,Physics
• Physics
• Others,Political Science

Authors

• Das P.B
• A,Chatervedi
• Dath , Patra,Kotpal, R.L
• Hammond
• Arora,sandhi, and srivastava
• Samal J.K
• O.
• John,hackett
• Tripathy S.N,Mohapatra M
• loy, d.c.