Need guidance on my current situation

I’m struggling to complete the syllabus by 15 April,but I don’t think I’ll be able to complete it
I’m taking 7 lectures per day(3 organic chem,2 phy 12th,1 zoology,1 botany) and I’ll complete 12 physics by 5 April,I’m worried about my 11 physics and I’ve studied only first 4 chapter in it I’ll complete everything by 10 April except 11 physics what can I do about it in 15 days?