You should consult with your doctor immediately and get treatment of your mother.
blood sugar level should be kept within normal limits .
She may be required to be admitted in hospital to decide on the drugs and dose of the drugs to keep blood sugar level in normal limits .diet chart should be made as per her calori requirements high protein dietwill be helpful for her as she is to continue ant tb treatment also..diabetes
to be controlled strictly ..
plenty fluids to be taken .small stones may pass with proper hydration and some medicines . please discuss with your doctor /uro surgeon .