You can easily camouflage the scar with clever makeup. Wash your face and pat dry. Apply a toner evenly on your face with a cotton ball and let dry. Apply moisturiser with circular motions. Let it dry. Apply a concealer which is a shade lighter than your natural colour on the scar. The concealer should be heavy. Blend it evenly on the rest of your face as well with a brush. Then apply foundation which exactly matched your skin or a shade darker, and finish off with a fine dusting powder.
This procedure to effectively cancel the scar and even acne marks and the other small pits on the face.
For permanent removal of the scar, you can consider a laser treatment by an experienced cosmetic surgeon after weighing the pros and cons carefully.