in jee this year which topics are to be concentrated in physics chemistry and mathd

Hello,


First of all i would suggest you to focus on all the topics and give equal importance to each topic u because every topic carry marks and you can loose a seat even by one marks.

Here are some chapters that are important :
Mathematics
Complex Number
Quadratic Equations
Coordinate Geometry (straight line, circle and conic section )
Calculus ( function, application of derivatives, definite integration are most important part in calculus )
3-D and vector
Binomial theorem and Sequences and Series

Chemistry

Chemical Bonding and Molecular Structure
Chemical Thermodynamics
Electrochemistry

Inorganic Chemistry  - Focus on every topic.

Organic Chemistry
Polymers and Bio Molecules
Environmental Chemistry
Chemistry in Everyday Life

Physics

Electrostatics
Current Electricity
Magnetic Effects of Current and Magnetism
Electromagnetic Induction and Alternating Currents
Optics
Dual Nature of Matter and Radiation,Atoms and Nuclei
Thermodynamics
Oscillations and Wave


I hope this helps.