It seems you have the upper hand here.
The reason the company is so keen to make you to resign is because legally speaking they cannot terminate you. But right now, you have every right to approach the labour court stating that you are working for the company, but your salary is not being paid to you.
If the company has to terminate you, they have to mention the reason as "fraudulent joining" for which it is difficult to provide proof in court, because it is not your fault if the university you passed out of, 10 years back has suddenly been taken off the UGC list now. The company would have to provide evidence of any investigation dating back to or focusing on events at the time you passed out. This is not possible.
So, just stay calm and first notify the company to formally provide you in writing why they find you unfit for your current position and also provide a notification to pay you your salary on time. It is alright to let them know that you would like to check on the validity of the explanations with your lawyer as this creates career and livelihood damaging impact for you. Let's see what they can provide on the details of their findings and evidence.
Best Essay Writing Service UK will just get a Letter of Intent.