1.POLYNOMIALS

2.REAL NUMBER

3.PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

4.APPLICATION OF TRIGONOMETRY

5.AREA REALTED TO CIRCLES

6.TRIANGLES

7.QUADRATIC EQUATIONS

1.LIGHT :REFLECTION AND REFRACTION

2.LIFE PROCESS

3.CHEMICAL REACTIONS AND EQUATION

4.ACID BASE AND SALT

5.HUMAN EYE AND THE COLOURFUL WORLD

6. CARBON COMPOUNDS

UPDATING VERY SOON