It looks like to have to include those allowance as mentioned in the definition of "wages" in the Employment Act quoted below. You can give a call to the Labour Department" and talk to the officer there.
"wages" means basic wages and all other payments in cash payable to an employee for work done in respect of his contract of service but does not includeŚ
(a) the value of any house accommodation or the supply of any food, fuel, light or water or medical attendance, or of any approved amenity or approved service;
(b) any contribution paid by the employer on his own account to any pension fund, provident fund, superannuation scheme, retrenchment, termination, lay-off or retirement scheme, thrift scheme or any other fund or scheme established for the benefit or welfare of the employee;
(c) any travelling allowance or the value of any traveling concession;
(d) any sum payable to the employee to defray special expenses entailed on him by the nature of his employment;
(e) any gratuity payable on discharge or retirement; or
(f) any annual bonus or any part of any annual bonus; "