The information provided is insufficient. There are different types of scars and different types of lasers which are used according to the type of scars that one has. So , without a physical examination it is difficult to say which laser will work. Plus , it also depends on whether you have active acne or not. If you do have active acne then treating that is the first step. Read this article please to get an idea of what I am talking about http://www.skinmatra.com/single-post/2016/09/17/Listen-to-your-skin-talk-Here-is-how
Next Steps
Visit an allopathic dermatologist near you personally. Before you choose your dermatologist read this link please : http://www.skinmatra.com/single-post/2016/07/03/Skin-Troubles-Here-is-WHAT-NOT-TO-DO
Health Tips
Do not fall prey to false promises (quick fix solutions) and 'creams' or salon procedures. Do read this article:
http://www.skinmatra.com/single-post/2016/08/25/Want-Glowing-Skin-Read-On