U can plan for fractional lasers to soften , since your scars are very old sometimes laser and injections may be given , filler is also a good option suggests Dr.Suruchi Puri with a rich experience of 17 years and also associated with Femina Miss India Contest . U can visit the website for more details and reciprocate . U can take her appt if it's available at 9868 080340 or u can take appt through website also . Lasers once the results are achieved are permanent and fillers you may need to re do after 1-2 years as needed . There are some techniques which can be used with lasers . There as such is no downtime with laser , hope this satisfies your concern , we wish u speedy recovery