The work on metro line 4A which is the extension of metro line 4 is in progress between Kasarwadavali- Gaimukh. The first station erection work of the Concourse Pier arm (CPC) has started for Gowniwada Station grid number 2. The total 24 CPC castings have been done at the Malwani Casting yard, and 2 more CPCs have been transported to the site which is intended to be erected tonight.

The Teen Hath Naka Metro station in Thane is taking shape on Metro Line 4. All 101 nos of precast elements at concourse level are erected & 75 per cent of platform slab work is completed. Construction of Teen Hath Naka is at the forefront of all Metro Line 4 stations. Approximately 70 per cent of the civil work for this station has been completed.