Categories

• Others,English
• Economics,History
• evs
• Education,Zoology
• Education
• Sanskrit
• Others,Education
• English
• Others,Physics
• enviromental studies

Authors

• Das , S.S
• grellet, f.
• Pant, M.D,K.K,Thakur
• Rai, v.
• Shukla , p.d.,Agrawal, J.C.
• cotton & wilkingson
• Sahu, mishra and sahu,Gupta, m.g.
• Dash S.
• Hare R.M.
• Sharma & Sin gh