supply of manufacture and supply of elastic rail clip (erc-j) with higher toe load conforming to rdso drg. no t-8258 alt-1manufacture and supply of elastic rail clip (erc-j) with higher toe load conforming to rdso drg. no t-8258 alt-1,manufacture and supply of elastic rail clip (erc-j) with higher toe load conforming to rdso drg. no t-8258 alt-1 for fish plated joint/insulated glued joint on psc sleepers. specification: irs specificat ion for elastic rail clips (5th revision) irs: t-31-2021 along with changes in clause 6.1, annexure-iii and an nexure-v of irs specification serial no. t-31-2025 (revision 06) shall be applicable as per rdso letter no.c t/ef/dev dt. 15-07-2025. this is a safety item [ warranty period: 30 months after the date of delivery ] ]