Section 12(7)(c) in Tamil Nadu Right of Children to free and Compulsory Education Rules, 2011
(c)Other Facilities. - (i) Number of teachers to be employed in the school, nature of building and the facilities to be provided in the building, teaching learning equipment, library, play material, games and sports equipments that should be made available in the school shall be in accordance with the norms and standards specified in the Schedule.(ii)Every school shall ensure the supply of protected drinking water and also ensure that lavatory and urinal facilities are provided in the schools as per the criteria to be specified by the competent authority.