Stalin, who inaugurated Chennai Metro’s phase I work in 2009, inspected the work on the construction of the station opposite Ramachandra Hospital at Porur as part of phase II’s corridor four connecting Poonamallee Bypass and Light House. As part of phase II, the Metro would construct three corridors, running for 118.9 km — corridor 3 (45.8 km) Madhavaram to Siruseri, corridor 4 (26.1 km) Poonamallee Bypass to Light House and corridor 5 (47 km) Madhavaram to Shollinganallur — at Rs 61,843 crore. Earlier, he first visited Central Square, which is being constructed by the Metro at Rs 389.42 crore with funding from Chennai Metropolitan Transport Authority. It is a transport hub that will connect Chennai Metro with Central Railway station, MRTS and suburban. This square will have landscaping, bus bays, an underground multilevel car parking and two multistorey buildings for commercial establishments.