Categories

• IT
• Others,Physics
• Botany,Physics
• Economics,History
• Physics,History
• Others
• Others,Education
• Eng
• Mathematics
• Others,Botany

Authors

• Jhingdn M.C
• Tilak, R.,m.g.,nayar
• D.B
• Behera, k.c.,Das , c.
• Patra,Das ,R.D,Vidyarthi
• Hugh
• Cave
• Das , r.c.,Das , r.c.
• Singh,Singh,Basistha
• Jyagl