Mumbai, June 07 (ANI): The much anticipated Mumbai metro will be inaugurated by Chief Minister Prithviraj Chavan Sunday morning. This is India's first metro railway project implemented on a public-private partnership model by a consortium headed by RInfra since 2007, at a total cost of around Rs.4,300 crore. Accordingly, from Sunday the 11.4 km long Versova-Andheri-Ghatkopar east-west corridor with 12 elevated stations en route will run from 5.30 a.m. till midnight at a speed of 80 kmph. Meanwhile, talking about controversy over metro fare, state chief minister said that the increased fare is not acceptable unless it goes through the due processes.