Phase 2-Corridor-3 (DDC Package No- P2C3/01)- “Engagement of Detailed Design Consultant (DDC) For the Works and Services of the Detailed Design And Drawings for the Alignment, Civil & Structural, Architectural, Track Works, MEP, TVS & VAC covering the Alignment and Underground Stations from Madhavaram Milk Colony to Thousand Lights CH:(-)383 to CH:15742” in Corridor 3 of Phase- II of Chennai Metro Rail Project”