Maharashtra approves 18.4 km Mumbai Metro Line 12-A, linking Manpada-Katai Naka to Taloja. Project to reduce commute times by 40-50%, boost economic development. Mumbai: The Maharashtra Cabinet Committee on Infrastructure, chaired by Chief Minister Devendra Fadnavis, on Tuesday approved the 18.40 km Mumbai Metro Line 12-A, connecting Manpada–Katai Naka to Taloja via Kalyan Phata. The committee directed authorities to ensure the project is completed within three and a half years.