Categories

• Environmental Studies
• Others,Chemistry
• Botany,Zoology
• Computer Science
• Economics,Political Science
• geography
• Others,History
• englisg
• pyschology
• Physics

Authors

• Kumar Nanda
• Rathod
• Kashyap S
• Tamarin R.H
• Prabehat Datla,Bases D.D
• Saxena , Sorlahoy
• Khan R.U
• Jalan B
• c.b.l. singh y.n.
• a.r.k.