Following the test run, the country entered a new era of electricity-powered trains, said officials. high officials of Bangladesh and Japan, including the Japanese ambassador to Bangladesh, on a train car. Photo: PID Currently, all trains here run on diesel. Some top government officials and other guests stepped inside the train while some were seen taking selfies yesterday. Journalists soon got busy to inform the nation about the progress in the project, which is expected to contribute to easing transportation for around two crore people in the city infamous for its unbridled traffic jams. City dwellers, however, may have to wait to see the metro rail in operation as the system needs to go through other tests. Officials, based on experience of other countries, said it might take six months to a year or a bit more.