Please find below the sec 25 of TN shops and establishment act says:
Holidays and sick leave:
(1) Every person employed in any establishment shall be entitled, after twelve months continuous service, to holidays with wages for a period of 12 days, in the subsequent period of twelve months: provided that such holidays with wages may be accumulated up to a maximum of twenty- four days.
(2) Every person employed in any establishment shall also be entitled during his first twelve months of continuous service after the commencement of this Act, and during every subsequent twelve months of such service
(a) to leave with wages for a period not exceeding twelve days, on the ground of any sickness incurred or accident sustained by him and
(b) to casual leave with wages for a period not exceeding twelve days on any reasonable ground.
(3) If a person entitled to any holidays under sub- section (1) is discharged by his employer before he has been allowed the holidays, or if having applied for and been refused the holidays, he quits his employment before he has been allowed the holidays, the employer shall pay him the amount payable under this act in respect of the holidays.
(4) If a person entitled to any leave under sub- section (2) is discharged by his employer when he is sick of suffering from the result of an accident, the employer shall pay him the amount payable under this act in respect of the period of the leave to which he was entitled at the time of his discharge, in addition to the amount, if any payable to him under sub- section (3).
(5) A person employed shall be deemed to have completed a period of twelve months continuous service within the meaning of this section, not withstanding any interruption in service during those twelve months brought about (i) by sickness, accident, or authorized leave not exceeding 90 days in the aggregate of all three. (ii) by a lockout (ii) by a strike which is not an illegal strike (iv) by intermittent periods of involuntary unemployment not exceeding thirty days in the aggregate and authorized leave shall be deemed not to include any weekly holiday or half- day holiday under this act which occurs at the beginning or end of an interruption brought about by the leave.
(6) A person employed in a hostel attached to a school or college or in an establishment maintained in a boarding school and lodging of pupils and resident masters shall be allowed the privileges referred to in sub- sections (1) to (5), reduced however proportionately to the period for which he was employed continuously in the previous year or to the period for which he will be employed continuously in the current year, as the case may be; and all references to periods of holidays or of leave in sub-sections (1) and (2) shall be construed accordingly, fractions of less than one day being disregarded.(7)The Government shall have power to issue directions as to the manner in which the provisional of sub- section (6) shall be carried into effect in all or any class of cases or in any particular case.