I need help, I ruined my 11th

I've taken dummy from a CBSC school in 11th. I thought that I'll be able to complete my 11th class through the online PW batch but in the end I FKED up. Today 9 December 2025 I've only completed 2 chapters of physics, 2 chapters of chemistry and 1 chapter of maths. Now I don't know what to do. I've talked to an offline consultant from the pw vidyapeeth they're saying that I should join the premium batch starting from January they'll teach me the syllabus of 12th along with the basics of 11th.. but the problem is that I have my final exams starting from jan 27. I'm soo frustrated I wanna kms