Per dinner reading of blood sugar as 116 is perfectly normal and denotes a good control.
This reading is due to the proper and regular administration of anti diabetic medicines.
If you don't give the dinner time GLIMISAVE ,the post prandiol glucose
rise would be more and may increase the fasting levels of blood sugar.
You must continue the dose as advised.
The medicine is to be skipped only if your father is skipping his dinner.
If your father is taking a normal dinner,he should continue taking his medicine.