Seeing your age, mother would be around her 50s. At this age you can not permanently cure
Diabetes ( specially when she is already medicine dependant) but better to start homeopathy with the guidance of a qualified homeopath.
She needs right remedy which is selected after careful case analysis.
This will help her to avoid complications of Diabetes mellitus as well as sustain with low dose of anti diabetic pills. Right remedy will improve her general health and get rid of other health issues.
Next Steps
Consult online for further guidance