Cutting of floor topping of concrete / Kota Stone / any kind of marble/ tile floor depth up to 50mm with the help of mechanical cutter and chisel (with due care so that surrounding floor should not be damage) to lay the tactile flooring 300mm wide including cost of providing and laying 25mm to 28mm thick cement concrete 1:2:4 as per requirement complete as per specification, Harmonised guidelines for PwD and as desired by Engineer-in-charge.