In February 2019, the Union cabinet approved the Phase-2 worth cost of ₹5,384.17 crore (US$620 million).

It will extend the north–south corridor from Motera Stadium in Ahmedabad to Mahatma Mandir in Gandhinagar (23.838 km (14.812 mi)) with a branch line from Gujarat National Law University (GNLU) linking Pandit Deendayal Energy University (PDEU) and GIFT City (5.416 km).

[6] In February 2023, Titagarh Rail Systems won a contract worth ₹350 crore (US$40 million) for providing rolling stock for the Phase-2.

[11][12][13][14] Under Phase 2B, the Gujarat Metro Rail Corporation Limited submitted a proposal to the Ministry of Housing and Urban Affairs to extend the Violet Line to construct a 6 to 10 km elevated circular loop within GIFT City.

The project is expected to add four to six metro stations to connect the different campuses within the city.