I have left company without notice due to late salaries and bad environment.

I have joined a company in jan 2021 as trainee seo executive and kept on training for 6 months (no training provided in real except some suggestions from consultant) and due to regular late payment of salaries i have absconded from the company on february 23 2022 as salary was regularly delayed from 8 months and there were other issues like no proper record of attendance, false payslip pay dates, work from office during covid lockdowns and bad environment for work etc so i was really frustrated further i am an anxiety patient and got treatment for that in past so due to all this it also lead to more anxiety so i decided not to serve any notice period and take all the burden on me but i submitted all the necessary things to them and stated late payments and my mental health as prime reasons and now they are asking me to pay a hefty amount of 70000 including training fees ( no training provided with proof) + 2 month notice + fine for absconding i have worked for 11 days in january and they have the pay for it on hold too. Also, this is a company where previous settlement records are very bad and i have my ex colleague as proof for that.