Hello everyone,
This is aditya from India(Mumbai)
I'm here to ask all my problems regarding studies.So my problem is,I'm in 12th grade now doing science(12th grade is a turning point for every student in India)and my exams are going to start in Feb ending.I haven't started studying yet and the portion is vast.My major problem is I don't feel like studying at all.But I need to get 70+ percentage in my exams to get admission in a good college.Whenever I sit to study,I cant concentrate and I feel like getting up

I jqve two elder sisters.I'm currently living in government quarters and my dad has retired,so we are going to leave the house in January ending.I'm not a rich guy so all the responsibilities are on my shoulders.My eldest sister is yet to.marry and the other one is doing masters in pharmacy.I wamt to start studying like10-12 hours a day but i.cant

I'm just procrastinating.I know the seriousness of all these things but I just can't get into the mood of studying.I created so many timetables for weekly studies but I fail to follow them.
Any tips on how to concentrate,keep your mind cool and study?
How to concentrate on studies and how to score 70+ % in my exams?
I wnt to be a responsible guy and I want to be successful.
Any tips for meditation.I listen white house's music everyday but no success

Any help will be appreciated
Thank you