Categories

• geography
• Others,Political Science
• Economics,Political Science
• Mathematics
• Others,Chemistry
• Chemistry,odiya
• Eng
• Ethics and Values
• Environmental Studies
• Hindi

Authors

• Raghovan,T,Migarlane, J.W
• Zan, J.H
• Bhamnah
• Panagdria
• Udgata, g.c.,B.,sing
• Zemonsky
• Agrawal J.C
• Handy , Thomas
• Ahlawat
• Singh, s.p.,k.,bhamrah h.s. and juneja