Yes ,you need to start medication of diabetes. Because its more than 6.5 HbA1c value.its mean you are diabetic.

Upto 6 is good,  according to that its not that good.

Yes you do. Do the following 1. Metformin 500mg in the morning with food (sometime people feel sickly or motions become loose with this but they do settle) and the dose can be gradually increased via your local doctor 2. Strict diabetic diet 3. Keep active and no smoking and moderate alcohol 4. Check for associated issues- Lipid profile, Blood pressure check, Liver function tests, TSH 5. Baseline check of diabetes complications- Urine Albumin Creatine ratio, Kidney function test, Eye test for retinal scan, Sensation check of feet 6. Every 6 months- HbA1C, Blood pressure check 7. Every 12 months - Urine albumin creatine ratio, Eye test for retinal scan and Sensation check of feet. All the best. J G S R clinic

Target HbA1c should be less than 7% in uncontrolled diabetic patient or who are on medication, However for a normal person HbA1c =6.5 ~ diabetes

Need few more details for proper understanding of your issue. You can consult with me online on Practo or whatsapp on eight three one eight four six nine eight eight six for proper diagnosis, conclusion and management

Need a few more details please consult for further evaluation and treatment

Can help you, kindly consult and provide detailed history for proper diagnosis and further management

It depends on other factors, family history, lifestyle, exercise etc. you need to consult for further information