Categories

• Others,Chemistry
• History
• Economics,Political Science
• Hindi
• Education,Zoology
• Economics,History
• Mathematics
• Botany,Zoology
• Odia
• evs

Authors

• K.R.S
• das and mohanty,sharma and satyal
• Mittra
• jha rc.
• P.K,Behera
• Das.D
• Legouis, e.,Tilak, R.
• Sharma R
• e.,remier
• Panigrahi,Padhi, N.C