Tender For supply of passenger emergency alarm valve to rdso drg. no. sk-97029, alt-3, part drg. no. sk-97030, sheet no.1, alt-2 and sk-97030, sheet no-2, alt-4. with conforming to rdso specification no. 02-abr-2002 read to all amendment with latest amendment no. 4 of september 2016, appendix-j.