Metro MantraDMRC LAUNCHES MID-LIFE REFURBISHMENT OF BLUE LINE TRAINS TO ENHANCE SAFETY AND PASSENGER EXPERIENCENewsmantraApril 13, 2026April 13, 2026 by NewsmantraApril 13, 2026April 13, 20260 The Delhi Metro Rail Corporation (DMRC) has undertaken a comprehensive mid-life refurbishment (retrofit) initiative for...