tender for manufacture and supply of grooved rubber sole plates to be used in 1 in 12-bg.52kg fanshapedturnout on psc sleepers to drg. no.rdso t.4732 and conforming to irs no.t.47-2020 (revision-01)and latestalteration as amended up to date of tender notice as per annexure-i (hsn code - 86080010) .