Urgent help required

My accountancy exam is on 21st may and I've completed only two chapters till now that too with a lot of confusions i mean i don't feel like I'm connecting with a concept and everything seems abstract to me mainly because it's been 2 years since i passed 12th boards and i was preparing for a different exam. Now there are only 10-15 days left and with that I've to prepare for other subjects as well, I've purchased a paid batch of pw and their accountancy lectures are lengthy af so i don't know if i want to continue it or maybe i could watch anything precise on YouTube. Suggestions are welcome, i just need a decent college for bcom hons as it is my 2nd drop year I can't afford to miss this chance