A 29 yr old guy 86kg, 176cm height, diagnosed with type2 diabetes mellitus 3 yrs ago, on Metformin 1gm BD, with poor diet restriction, undergone ORIF tibia condyle 2 months back, no physical activity, recent Fasting blood sugar 190mg/dl, postprandial 260mg/dl, Fasting insulin level 18ng/dl, 1) Further advice on treatment? 2 ) Any precautions to prevent complications?

3 )Could be the patient medicines free? Thanks in anticipation.