 This study is being conducted to compare the pharmacokinetics PK of two extended release fixed dose combinations FDC oral formulations of metformin and glimepiride at two doses, 500mg1mg and 1000mg2mg, with each FDC formulation to be administered orally as a single dose and compared with the commercially available formulations of metformin extended release XR GLUCOPHAGE TM Sustained Release SR and glimepiride immediate release IR AMARYL TM. 