Dhaka, Oct. 27 -- Four construction contracts have been signed for two metro rail projects in Dhaka, covering eight stations and key infrastructure along routes from the airport to Kamalapur and Gabtoli to Dasherkandi.

The agreements were signed Tuesday afternoon at the Metro Rail Building in the MRT Line-6 depot area in Uttara's Diabari, according to the road transport and bridges ministry.

Officials said the contracts would advance infrastructure development under the two projects, jointly funded by the Bangladesh government and the Japan International Cooperation Agency (JICA).

The government has approved revisions increasing the estimated costs of MRT Line-1, the country's first underground metro rail, by 117.64 percent, and MRT Li...