 There will be 4 doors on each side of each coach.On 10 April 2014, the first metro train for HMR rolled out of Hyundai Rotem factory at Changwon in South Korea and reached Hyderabad in May 2014.On 31 December 2014, Hyderabad Metro Rail successfully conducted a training run in Automatic Train Operation (ATO) mode for the first time between Nagole and Mettuguda.