I am a diabetic patient ,my doctor has suggested me some costly medicine for eg. Rs23. 50 each tablet, and the same table with same indigrient is available for rs 5. Should I go as per dr's advice or I can have generic medicine, I can not afford such costly medicine, as I am a working and middle income group person, wanted your suggestions, also if you can give me some diet plan it will be good, I both veg and non veg with no habit of drinking or smoking, I have tea that too black, pls help me sir.