Section 14(14)(i) in Tamil Nadu Clinical Establishments (Regulations) Rules, 2018
(i)Space. - Shall have sufficient space with a minimum of 150 square feet is essential, well lit preferably air-conditioned. Other than the operating room, there shall be provision for patient waiting and a cot provided for postoperative recovery. Sufficient space shall be available for autoclave and sterilization and for scrubbing. Running water from the tap shall be available in the scrub room. Ultra violet lamps shall be fitted in the operation theatre. Sufficient arrangements for formalisation of operation theatre. Swab for culture to be taken from operation theatre at least once a month.