leave it alone, there are tons of cars like this in Karachi, if you notice this is quite common in suzuki cars because of the simple font they use.
When a new car was bought in Karachi and it was a toyo/honda/mitsi/hyundai etc. the reg authority has two things to read the no. one is axle grease, it was applied to white cars number to read it correctly the other was chalk or plaster of paris to read it on dark cars.
suzukis got it too but old ones are sandpapered