Suggest Treatment To Remove Scars On Legs And Hands

hiii i m kanika frm india siliguri, 20yrs i hve scars on my legs nd hands due to insect bites,i hve been under treatment i got sme relief bt wenevr der s an insect bite or a boil it leave a scar,wethr i touch it or not,nd due to diz i cant wear shorts.,my skin is very sensitive?...lplz suggest m sme gd remedy???