ar and mo to karkardooma court complex at vishwas nagar shahdara delhi during 2023 24. sh replacement of roller blinds at corridor of a block kkd court delhi. , providing and fixing roller blind s.sopage/vienna pearl with head rail. the drive unit shall be of clutch for quick easy safe installation, moulded plastic with steal spring support and inserted into the left side. the end plug shall be moulded plastic with steal location in the plug shallbe inserted into tube and the support bracket shall be projected outside max of 80mm the roller tube should be extruded aluminium anodized 15 micron, 32-40 mm dia with 1 mm thickness. the bottom rail shall be offlat/around made upto powder coated mild steel with 30 micron powder coated. the ball chain shall be endless beaded balls etc. complete as per direction of engineer-in-charge. (the supply of material by the contractor shall be certified by the company with proper warranty certificate approved brands vista, hunter douglas & d décor, etc). , credit for old roller blinds.