Supply of 24 fibre armored optical fibre cable (ofc) to rdso specification no. rdso/spn/ tc/110/2020 with latest revision and amendments.

Ram mandir - electrical (power) work in connection with replacement of indoor signaling installation with electronic interlocking.

Marine lines - electrical (power) work in connection with replacement of indoor signaling installation with electronic interlocking.

Green led signal lamps for main colour light signals (integrated) for railway signalling as per rdso specification no. rdso/spn/199/2025 rev 1.2 with latest amendments/version.

Flange welded joint 25 mm bore (pipe to pipe) as per drg.no. rdso drawing no : sk-85187, alt.-4 with latest alteration specn: 04-abr-2019 (rev. 02 of dec-2019) with latest revision and amendments

Name of work:sc-wadi section: 1) replacement of existing aged codal life completed coach indication boards and at a glance display boards as per rdso/spn/tc/108/2019 (ver.- 2 ) or latest at begumpet station in sc-wadi section of secunderabad division.2)replacement of existing aged codal life completed coach indication boards and at a glance display boards as per rdso/spn/tc/108/2019 (ver.- 2 ) or latest at vikarabad station in sc-wadi section of secunderabad division.3) replacement of

Single piece frp louvre shutter (2 -0 wide window) for lhb non-ac coaches to rcf drg. no. ls54102 alt-nil ,mat & spec. as per rdso spec.no. rdso/2007/cg-02 (rev-1) of feb, 2008 with 3 amendments- last amendment slip no.3 of february 2019, colour of material shall be light grey.

Supply & installation of seamless ccoe cylinder for gas based fire suppression system as per rdso specification no.rdso/spn/218/2016 ver 1.0-d2 for the distributed electronic interlocking (centrlised ei+ 3oc cabins) at bsl passenger yard.

Rechargeable led based tri-colour torch(light cum hand signal lamp) for railway as per rdso spec. no. rdso/spn/195/2019 ver. 3.0. heavy-duty build with charger & additional spare li-ion battery (battery life 14hrs on continuous discharge) , white led (3w or higher) & minimum 6 nos led each for red and green aspects. silicon/membrane or similar switch(es) to ensure ip-54, not requiring continuous press for operation.

Supply of relay, ac immune, plug-in-type, style qbat, aci, dc biased track relay 9 ohms, 2f-2b contacts, front and back contacts metal to carbon, complete with plug board, retaining clip and connectors conforming as per rdso/spn/84 ver 2.0 or latest if any interlocking code is abejx.