Categories

• Others,Chemistry
• English
• Others,English
• Ethics and Values
• economy
• Education
• Economic
• Biology,odiya
• Others,Botany
• Others,Political Science

Authors

• Tilak, R.
• Molhotra
• Ahuja , h.l.,Ahuja , h.l.
• Pandaba
• Pylee , m.v.,Pylee , m.v.
• Mathew
• Das , M.N,Maity P
• Jhingan ,M.L
• Mansingh M.D
• Spens,R.A