I Archana Dash from RKL want to know about some topics which are common in IIT-JEE entrance examination. please fulfill my request as early as possible.

the common topics are

IIT JEE Math: Algebra | Trigonometry | Co-ordinate Geometry | Differential Calculus | Integral Calculus | Vectors

IIT JEE Physics: General Physics | Mechanics | Wave Motion | Thermal Physics | Electrostatics | Electric Current                                              | Magnetism | Electromagnetic induction | Wave Optics | Ray Optics | Modern Physics 

IIT JEE Chemistry: Physical Chemistry | Organic Chemistry | Inorganic Chemistry