baby girl which leg should wear copper anklet and why

A. There is no mandatory thing that you have to make your child wear a copper anklet and there so no such reason that I can tell you why it should be it is personal choice which one do they prefer or do they prefer they don’t prefer because in India there are different cultures and religions people follow on that basis it may be that somebody’s doing it so if you want to know more about it you can just read about it online maybe you know better