(a) whether any service for the transportation of serious patients along with an attendant on the line of ambulance service is available in trains;
(b) if so, the charges for transportation of such patients and the expenditure incurred on this service in comparison to service by road and air;
(c) whether any train ambulance service is being operated or proposed to be operated from Jharkhand and Bihar to neighbouring States and Delhi; and
(d) if so, the details thereof and if not, the reasons therefor?