tender for epoxy cum polyurethane painting system (two pack) for the exterior painting. shade colour-ralds 070 80 40,exterior finishing.matl. & spec: rdso specification no. m&c/pcn/100/2018 with rdsoamendment no. 1b, (rev. 2.0, effective from september- 2020) as an additional requirement. .(shelf life of thisitem is 12 months) .