Your blood glucose
levels are above normal range. Glucose should be absent in urine.
Yes, you have to take precautions in your diet. Avoid sweets and carbohydrate
rich foods like potato, rice, etc. You can switch to sugar free substitutes for tea/coffees.
Your sugar level is curable. Follow strict diabetic diet, do regular exercise and yoga
and you will notice that your sugar levels will be controlled.
Donot ever take diabetic medicines without medical supervision as excess dose can be dangerous.
I hope I am able to solve your query. If you have furthur doubts, I am ready to help.