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, architectural, MEP, TVS, VAC & track works 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”