Hi aspirant,

JEE mains is a competitive entrance exam for students intrested in engineering.

It consists of 3 main subjects that is

Physics, Chemistry and Mathematics.

For Physics,

The topics which you can complete before april are

1) Modern Physics which includes atoms and nuclei.

2) Motion and Forces.

3) Current electricity and Alternating Current

4) Magnetism and Magnetic circuits.

5) Sound and Vibrations

6) Dimentional Analysis.

For Chemistry,

1) Organic Chemistry

11st grade

2) Surface chemistry.

3) Chemical bonding

4) s,p-block elements

For mathematics,

1) Differentiation

2) Integration

3) Matrices and Determinants

4) Statistical Maths

5) Vector algebra and 3D Geometry.

Keep in mind that all these will require effort so work hard and refer many referrence books as they will help tremendously. Good luck

Thank You.