Section 41(1) in Tamil Nadu Shops and Establishments Act, 1947
(1)No employer shall dispense with the services of a person employed continuously for a period of not less than six months, except for a reasonable cause and without giving such person at least one months notice or wages in lieu of such notice, provided however, that such notice shall not be necessary where the services of such person are dispensed with on a charge of misconduct supported by satisfactory evidence recorded at an enquiry held for the purpose.