Additionally, for extending the Chennai Airport... ... Highlights | Tamil Nadu Budget 2025: Airport in Ramanathapuram, 2,000-acre global city near Chennai among key announcements

Additionally, for extending the Chennai Airport metro line to Kalaignar Centenary Bus Terminus in Kilambakkam, covering 15.46 km at a cost of Rs.9,335 crore; extending the Koyambedu line to Pattabiram via Avadi, spanning 21.76 km at a cost of Rs.9,744 crore; and for extending 27.9 km of metro line from Poonamallee to sunkuvarchatram via Sriperumpudur at a cost of Rs.8,779 crore, the Detailed Project Reports were received and the same will be submitted to the Union Government for their equity contribution.