Invitation to Bid - Single piece FRP louvre shutter assembly (2'-0" wide window) to RDSO SK-97020 Alt-8 and RDSO Spec. No. RDSO/2007/CG-02, Rev.1 with Amndt. No.3 of Feb 19. (Required 50% of EAC Colour Satin Blue, Colour Code -177 of IS-5/2007 & remaining 50% Colour-Apricot Yellow, Colour Code-RAL-0708040). in Uttar Pradesh