Thank you for the photo.
From the photo, I would recommend a combination of Subscision + fractional eCO2/ HA Fillers.
These treatments will help to release the scar, break the thick fibrous bands up and stimulate collagen to smooth the skin and make the scar less depressed.
Fillers have the benefit of immediate results but are not permanent, lasting up to a year on average.
Do consult your doctor on the pros and cons of each treatment.
All the best!