Section 244(3) in The Tamil Nadu Building and other Construction Workers (Regulation of Employment and Conditions of Service) Rules, 2006
(3)(i)The canteen referred to in sub-rule (1) shall be sufficiently lighted at all times when any person has access to it; and(ii)The floor of such canteen shall be made of smooth and impervious material and inside walls of such canteen shall be lime-washed or colour-washed at least once in every six months:Provided that such inside walls of the kitchen of such canteen shall be lime-washed once in every three months.