New Delhi, June 25 (ANI): RJD chief and former railway minister Lalu Prasad Yadav on Wednesday condemned the Delhi-Dibrugarh Rajdhani Express derailment in Chapra district of Bihar. Lalu questioned why there was no checking of the railway track before the Rajdhani Express passed through it, especially at a time when a strike was called by the Maoists in the area.