tender for manufacture and supply of grooved rubber sole plate for 6400mm overriding derailing switches tordsos drg. no.t-6068/ alteration 4 with irs specification for grooved rubber sole plate (6mm thick) forplacing beneath rails, serial no.t-47-2006 with amendment 3 of 2017 (latest alteration to rdso drg no. t- 6068and latest corrigendum to irs specification no. t-47-2006 as applicable 10 days before the date of closing of e-tender will be applicable.) .
