Section 104(3) in The Kerala Panchayat Buildings Rules, 2011
(3)The maximum gradient of any ramp approach intended for the persons with disabilities shall not exceed 1 in 12 and shall be finished with no slippery material. The minimum width of ramp shall be 120 centimetres and provided with hand rail of 80 centimetres height. The slope of all such ramps shall be constant within a building.
