In which way I can prepare for BITSAT 2016 in maths physics and chemistry.what are the important topics should I cover.i am trying for BITS COMPUTER SCIENCE AT HYDERABAD.what score should I get

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if u are targeting the computer science in hyderabad center , then u have to reach atleast 280-290 score .. 
in pilani , the comp sci cutoff will be 350 atleast .. 
so, prepare for them accordingly .. 
take 2-3 mock test per day and analyse where u getting the concept wrong .. 
and read and revise that perticular concept as well . 
some of the imp topics for bitsat 2016 
1- heat and thermodynamics 
2- magnetism , 
3- conic section 
4- diffrentiation 
5- definite integral 
6- modern physics (specially semiconducter ) 
7- organic chemistry 
8- chemical bonding and states of matter 
9- structure of atom , 
READ THESE CONCEPT THROUGHLY , 
and also increase your speed as thats the main demand of bitsat , and also u need to be good at english and reasoning skills to do the best .. 
ALL THE BEST 
REGARDS 
UMAKANT ..