hello,

may i know d subjects (n mainly d concepts involved in them) wch would further boost up my rank in iit,

And d concepts i shd revise in the last 1 month of my preparation...

Dear nikhil

It is not possible to discuss all the important concept here. you should ask the question in which you feel problem.and i willl try to solve your problem

For iit jeee there is no fixed weitage, it  vary from year to year...
if you will see the pattern of last year papers,then you will find that question were framed in such a way that it include more than one    chaptre. and in whole paper almost entire syllabus are covered .so it is not advisable to leave any topic.

But the important topics are.

Maths:     

calculus, Vectors, Complex numbers, co-ordinate geometry(2D+3D) Quadratic equations.

Physics:   

Optics, Modern physics, Thermodynamics, A/C circuits, Fluid mechanics, Experiments.

Chemistry:

Solid state, chemica bonding, Aldehydes, ketones, carboxylic acids, Alkenes,

                alkynes, stereo and geometrical isomerism, transition elements, coordiantion compounds,

               electro chemistry, kinetics and equilibrium.

but I will suggest you to cover alll the topics and give more stress on above given topics.

Please feel free to post as many doubts on our discussion forum as you can.

If you find any question Difficult to understand -

post it here and we will get you the answer and detailed solution very quickly.
 We are all IITians and here to help you in your IIT JEE preparation.

 All the best.
 
Regards,
Askiitians Experts
Badiuddin