Guwahati Metropolitan Development Authority (GMDA), has sought approval from the Assam Government for the metro rail project.

The authority had already received an approval from the Centre in July 2013. Now the developer seeks the state government's sanction to conduct pre-feasibility study and prepare a detailed project report (DPR) for the metro rail project. The developer is also planning to invite bids for the project as soon as it receives the state government's green signal. 

The project, estimated to cost Rs 14,000 crore, has already received Rs 25 crore from the Centre for carrying out the feasibility study. The centre and the state government will jointly finance the project which will be developed in three phases. Phase-I will cover 65 km connecting Lokapriya Gopinath Bordoloi International (LGBI) airport in the western boundary of the city to Narengi in the easternmost part. Phase-II will cover the stretch between Paltan Bazar and Khanapara area, and Phase-III proposes to cover the stretch between Khanapara and Jalukbari area.