Thanks for posting your query.
Few years back, diet for a diabetic patient was very restricted with avoidance of rice, potatoes and sweet.
With recent advances,now diet is called as "medical nutritional therapy" and patient has advised to take all edibles with restricted calories.
Yes...its true that rice contains more crbohydrates as compared to chappati but if your blood sugar fasting is below 110 mg% and post prandial sugar below 140-150mg%, your glycated hemoglobin
is below 6% then you may take rice,potatoes and sweet.
All edibles shouldbe taken with controlled blood sugar.