API Manufacturing Department to Quality Assurance Department

Dear Sir /Mam, i hope this message finds you well! Im a B. Pharm graduate and working as a Production Supervisor having 3.6 years experience I’m looking to get in to quality assurance can you please guide me hot to get into QA where I needed to focus what I need to learn could you please give me if it is possible to get into QA please give me suggestions and guidance. Thankyou.