What strategies should be followed to get more than 90% marks in CBSE class 12th exam 2018-2019?

First learn all the formulas for faster calculations.
Practice chapter wise maths problems daily which will help you to improve your mathematics.

And if you have any doubts then you may definitely ask here. we will help you

math se darrna hi ni chahiye
actually hm jitne students yah junior ko dekhte hai vo question dekh ke hi drr jate hai
bhai attempt to kro
aur bat hai questions bnane kito wo practice se shi hoti hai
gud luck

Study regularly make time table.

Learn chemistry from only ncert it will be very helpfull.

For physics buy All in one arihant

Math exam is lenthiest so u have to practice it the more.

No big deal in bringing above 90 the questions are easy.

Thank u