Section 18(1) in The Kerala Shops and Commercial Establishments Act, 1960
(1)No employer shall dispense with the services of an employee employed continuously for a period of not less than six months, except for a reasonable cause and without giving such employee at least one month's notice or wages in lieu of such notice; provided however that such notice shall not be necessary where the services of such employee are dispensed with on a charge of misconduct supported by satisfactory evidence recorded at an inquiry held for the purpose.