I am a sikh and want to have an FUE

My question is how soon can I wear my turban again?

After an FUE, the wounds are usually closed in under 5 days or so and all of the crusts are gone from the recipient area. As a Sikh patient, using a clean Turban at one week is reasonable as long as there are no crusts on the recipient area the the Turban is not too tightly wrapped.  The problem you will have is a return of the traction alopecia if the Turban is tight