The train will run at 50 kmph.
An expert panel of the Delhi Metro Rail Corporation will review the speed periodically.
The line was designed for 120 kmph, covering the 23 km in 18 minutes.
It was closed in July 2012 on safety grounds.
2008
JAN
DMRC awards the contract to Reliance Infrastructure-CAF consortium for the Airport Express Line
2010
31 JUL
Delhi
Airport Metro Express cleared but on slow lane
Travel in Delhi Metro might get costlier
CISF deploys special women teams in night metro trains
Airport Metro Express likely to run again next year
Constable Tomar's death: HC asks Centre, police to respond