The case was adjourned until May 13 for continuation of the trial-within-trial.
The defendants are being prosecuted on a three-count charge.
FRSC has commenced a week-long strategic leadership training for 305 senior officers as part of efforts to strengthen operational leadership.
The judge, who struck out the suit, awarded a N10 million fine each against Mr Dagogo and his lawyer, totalling N20 million, in favour of all four defendants.
The Presidential Initiative on Compressed Natural Gas and Electric Vehicles says operators under its scheme must maintain reduced transport fares nationwide.
The Nigerian Army said the arrests were part of ongoing efforts to tighten security around sensitive locations in the FCT.
Ms Adeh said Ms Ameh reported to the Maitama Police Station to provide details of her disappearance.
He noted that cultural diversity was critical to modern military operations.
The police urged anyone with useful information that may assist the investigation to come forward.
The court also ordered Mr Sowore to enter his defence.
