Railway Board Chairman A K Mittal has resigned owning moral responsibility for Muzzafarnagar train accident which had claimed over 20 lives. <br/><br/>Earlier, the Rail Ministry had suspended four officers and transferred one and sent on leave its three top officials, including a secretary-level Railway Board official on the basis of prima facie evidence in connection with derailment of Utkal Express. <br/><br/>Fourteen coaches of the Utkal Express derailed in Muzaffarnagar district of Uttar Pradesh on the 19th of this month. The train was coming from Puri in Odisha and going to Haridwar in Uttarakhand when it jumped rails near Khatauli town.