Central Apprenticeship Council Rules, 1962
5. Cessation of membership
(1) A member of the Council shall cease to be a member if he dies, resigns, becomes of unsound mind, is declared insolvent or is convicted of a criminal offence involving moral turpitude.
(2) The office of a member of the Council shall fall vacant from the date on which his resignation is accepted or on the expiry of 30 days from the date of receipt of letter of resignation, whichever is earlier.