Well first of all you need to be sure that unless you study you won't get such a good college with computer science and engineering therefore if you are interested in Such College first of all you need to get rid from distractions but it does not mean that you can not there are many students are weak in class 11th due to lack of studies but after they get focused and beat other classmates therefore if you want to go to such a premier Institute then make a proper time table and avoid any destractions.