Prabhu said he was 'extremely pained by the unfortunate accidents, injuries to passengers and loss of precious lives'.
Railways suspect that tampering of the track near Kuneru station led to the derailment of the train.
Japan offers India soft loan for $15 bln bullet train in edge over China
Motherson Sumi, Tata Steel, Jaguar Land Rover will face higher cost.
'The core sectors have not done very well in the past one year.'
Indian Railways has plans to decongest network and become more self dependent.
Over 250 passengers have been rescued, a railway official said.