CM Stalin to launch ‘Chennai Ondru’ app today, approve 25-year transport planCM M K Stalin will launch the Chennai Ondru app today, integrating buses, metro, suburban trains, taxis, and autos with a single QR-based ticket system, while approving a 25-year transport plan. CM Stalin will launch the Chennai Ondru mobile application, a pioneering initiative designed to function seamlessly on both iOS and Android platforms. The app will integrate all major public transport systems — buses, suburban electric trains, metro rail, taxis, and autorickshaws — into a single digital framework. By offering a single digital pass covering all public transport, commuters will gain more flexibility and ease of travel. The Chennai Ondru app is expected to play a vital role in transforming public mobility in Chennai, advancing the goals of sustainable and technology-driven urban transport.