how to start my preparation for my CAT xam tht ill be appearing in 2012-13 and im a 2nd year btech student ,computr science

Hi Kalpitha, first of all get the syllabus and listed that, find your area of expertise and stress on these area more. prepare less topics but be well prepared and also can join the institutes as mentioned by @ABHIJIT

u can join institutes like time,erudite as such ...they will prepare u rightly to qualify for cat,mat,xat...