As your hlaf of the syllabus of 11th class is still remaining you will now really have to put in more no. of hours for self study in order to complete your syllabus satisfactorily. You will require to put in 5 to 6 hours (and more in summers) of daily self study apart from your school and coaching. Now your every minute is very precious and try to not waste more time in any other activity.Hard work is the only solution to success. Remember it.