Section 7(d) in The Prevention Of Cruelty To Animals (Slaughter House) Rules, 2001
(d)Interior Walls .-(i) interior walls shall be smooth and flat and constructed of impervious materials such a glazed brick, glazed tile, smooth surface Portland cement plaster, or other non-toxic, non-absorber material applied to a suitable base. (ii) Walls shall b provided with suitable sanitary type bumpers to prevent damage by hand trucks, carcass shanks, and the like. (iii) The interior walls shall have washable surface up to the height of 2 meters from the floor so that the splashes may be washed and disinfected;
