Welcome to HCM,
Your mother is having Diaetes type II,Stroke ( CVA) Hypothyroidism,the Trivolib which is combination of Metformin,Glimeperide and Voglobose, as it contain three drug it may cause GI upset, body ache,
and due to inhibition of enzymes can cause lot of flatulence and distension of abdomen.
She is having gastritis and also taking calcium supplements
and Gliptin( Trajenta).
She is old diabetic hence may be having Peripheral Neuropathy
and Vasculopathy that is why bleeding and bluish discoloration of toe and bleeding.If left untreated may develop gangrene.
She is taking multiple drugs and if her blood sugar is not controlled visit a Endocrinologist
and discuss about Insulin therapy
which will reduce intake of oral drugs and lot of side effects.
Her gastritis and hyperacidity may be related to calcium in take as it is known to increase acid secretion.
Please also check for blood flow with color doppler study and nerves by Nerve conduction study
to know the status of peripheral nerves.