Outline Construction Specification for Phase-IV Civil Works (Revision-2) (July 2021) Outline Design Specification For Phase-IV (Revision-2) (July 2021) List of Empanelled Makes for Major Electrical Items March 2021 Conditions of Contract on Safety & Health and Environment (November 2020) Phase-IV Approved Corridors Project Update an Janakpuri West – R. K Ashram Marg corridor Empanelled Manufacturer/Supplier's List vendor empanelment format 2020 updated time extension