please tell me most scoring topics in iit jee

METHEMATICS:

GEOMETRY:CIRCLES,PARABOLA,HYPERBOLA,SYSTEMOF CIRCLES,STRAIGHTLINES,LOCUS

CACULUS:DIFFERENTIATION,INTEGRATION,LIMITS,CONTINUTY,SOME APPLICATIONS OF DIFFERENTIAION

TRIGONOMETRY:ALL TOPICS ARE IMPORANT(ATLEAST 5 MARKS EACH YEAR)

PHYSICS:

1)MECHANICS(KINEMATICS,NEWTONSLAWS,DYNAMICS,FRICTION)

2)ELECTRICIY(STATIC,CURRENT,ELECTROMAGNETISM)

3)ATOMICPHYSICS(BHORS MODEL OF ATOM)

4)GRAVITATION IN CASE OF A PARTICLE

5)VECTORS

CHEMISTRY:

CHEMICAL BONDING, ORGANIC CHEMISTRY,METALS

HOWEVER TOUGH Q'S ARE FROM PHYSICAL PART.(NAMELY CHEMICAL EQULIBRIUM,KINETICS,MOLECONCEPT&NUCLEAR CHEMISTRY)

ABOVE MENTIONED ARE THOSE PARTS WHICH CARRY MUCH WEIGHTAGE IN IIT-JEE.

You can able to score more then 150 just preparing this nicely.

And also give as much as mock tests possible,it will bring perfection to you.

Best of luck