Categories

• Logic
• Mathematics
• Zoology
• English
• Physics,History
• enviromental studies
• Political Science,Education
• Botany
• Others,Physics
• Education

Authors

• Prem,Arora
• Panigrahi
• Rathore
• Jain , Bala
• Jana
• Harischandan N.B.
• chettur g.k.
• h.c.,raychoudhuri,Sahu, mishra and sahu
• bayliss
• Bhuyan , d.r.,pany and pani