AdministratorMarch 18, 2021 at 2:34 pm
You need to contact a German public health insurance provider and ask them that you need an exemption letter to be able to get German private health insurance.
But before making any decision read this article https://leazear.com/german-health-insurance-for-international-students/ to make sure you understand the difference between public and private health insurance.
P.S. please don’t use non-standard abbreviations like TIA.