Are you sure you have been diagnosed with Type 2 Diabetes. Because type 2 Diabetes is usually treated with tablets and it usually begins at a later age.
You are taking insulin
already and young so the question. It maybe Type 1 diabetes
Also as of today there is nothing like completely curing Diabetes. You can only control the blood glucose
levels and avoid the complications of diabetes.
For your condition presently take proper care of your insulin regimen as told by your treating doctor. Include diabetic friendly diet. Consult a dietician if there is any doubt with the foods that can be taken.Avoid Junk and sugar laden foods.
Exercise should be a compulsory part of your routine but be careful that you dont overdo it to avoid reduction in glucose levels which also can be harmful.
Keep regular follow up with your consulting doctor and take up eye testing, kidney
testing whenever your doctor recommends.