Pull Chain Braille Alarm And Penalty (Braille) Notices To Drg. No. Icf/Sk3-6-4-038, Item-01, Alt .N Or Latest And As Per Specn. Mmdts 22001, Amendment-2 Of June 2024. (Without Aluminum Back Up Plate 0.8Mm An D Drilling Holes) [ Warranty Period: 36 Months After The Date Of Delivery ] ]