Respected Sir. My Name Is Dileep..I Aam 22 Years Old..accident

Respected sir. My name is Dileep..I aam 22 years old..accident ly i had cut my wrist with blade..at 4 years ago..there's 4 cm , 0.6cm width size cutted..0.2 upper size also coming..I want to remove this one permentally...what I do..and I am also going to army ..please suggest any creams.. thanking you sir.. I speak English not very well ..sorry sir..