Can a company force you to change your health insurer/health insurance society?

The title+ extra question later.

I am a full time seshain and my company decided to establish its own health insurance society. We we asked to provide a consent which I refused to (I said I don't agree).

However, the majority of employees here approved. Now, those who refused, are told that because the majority approved, we will be moved from our current health insurer to the newly established one. I am talking about employer-based health insurance.

Is this legal? Can a company transfer you from your current health insurer in it's own newly-established health insurance society despite you NOT giving them your consent?

Additional question : what options do I have? If there are other options (e.g. NHI system), what would the implications of opting out of this employer-based health insurance?

by bcaapowerSVK