An employee who as a result of injury is or may be expected to be totally or partially incapacitated for a remunerative occupation and who, under the direction of the commission is being rendered fit to engage in a remunerative occupation may, in the discretion of the commission under regulations adopted by it, receive additional compensation necessary for his maintenance, but such additional compensation shall not exceed Twenty-five Dollars ($25.00) a week for not more than fifty-two (52) weeks.