Categories

• Hindi
• Botany,Zoology
• geography
• Biology,odiya
• evs
• englisg
• Economics,Political Science
• Others,Political Science
• Political Science
• Education,odiya

Authors

• bhatnagar and bhatnagar
• Garrett
• Khan R.U,Locitt C.H
• Acharya , M.K
• Twyman R.M.
• powell g.b.
• s. kumar
• Mann V.S
• Nanda, t.r. ,j.w.,beach
• Speight C.F