The HBA1c test is a blood test that measures the blood sugar attached to hemoglobin and is mainly used to calculate the average of some timeline at least three months as a red blood cell survives for three months in the human body. The hemoglobin is the part of the red blood cell which is responsible for carrying oxygen from the lungs to another part of your body. The test is used to calculate the average amount of sugar which is attached to remove global sugar for three months. Based on the normal range under the HBA1C in Delhi, the blood test helps diagnose pre-diabetes and diabetes while monitoring the treatment.