Double Decker Coalfield Expres rebirth Dhanbad:  An air-conditioned double-decker train will soon start from Dhanbad in Jharkhand to West Bengal capital Kolkata, according to the Railway Ministry. Public Relations Officer Amrendra Kumar of the Dhanbad Division  said the fully air-conditioned double-decker train will start soon from Dhanbad to Kolkata. The coaches of the train have arrived. The dates will be announced soon after a decision on the fare rates will also be taken,’ Kumar said. The journey would take four hours from Dhanbad to Kolkata. A double-decker train service,...