Serious question

Guys bahut sara backlog ban gaya hai and Mai 11th mai hu idk how to cover all of it. Whole 11th waste nahi hai but major part of it abhi main current backlog banne nahi deraha hu but who knows. I got missed an lot of classes cuz I wasn't in understanding then soo idk anything about lectures what do I do in spesific for each chapter. Plzz any good holy person tell me 😭