Complex sentence: The confirmed Sikh (one who has taken the Amrit) wears a Kachera every day even while bathing, to be ready at a moment's notice, changing into a new one leg at a time so as to have no moment where they are unprepared.
Split into simpler sentences: The confirmed Sikh (one who has taken the Amrit) wears a Kachera every day. Some go to the extent of wearing a Kachera while bathing, to be ready at a moment's notice, changing into a new one leg at a time so as to have no moment where they are unprepared.