VOGLIBOSE : SELECTIVITY INHIBITS A-GLUCOSIDAE IN THE ENTERIC  CANAL ,DELAYING THE DIGESTION AND                                        ABSORPTION OF CARBOHYDRATE THEREBY SUPPRESSING SHARP INCREASE IN POST PRANDIAL PLASMA                        GLUCOSE .

GLIMEPIRIDE : NO SIGNIFICANT INCREASE IN FASTING INSULIN LEVELS ,HENCE LESS CHANCE OF HYPOGLYCEMIA.

METFORMIN : REDUCES WEIGHT AND IMPROVES INSULIN SENSITIVITY.