Categories

• Others,Education
• Political Science,Education
• Environmental Studies
• Chemistry
• geography
• Mathematics
• Biology,odiya
• Political Science,Zoology
• Others,English
• Economic

Authors

• S.K,Singh
• Arora, Singh
• Nayak,B.K
• Sen, k., S., Chopra, p.s. and kothari
• Dudey S.P
• Sinha , Sinha
• Agrawala, s.p., a.n. and singh
• Quneshi,H
• Pani & Pani
• B.N,Lunia