Kota, May 30 -- Two railway officials were killed after a mound of soil collapsed during the construction of an underpass near Dara Ki Nal on National Highway-52 in Rajasthan's Kota district, officials said on Thursday. The incident occurred near the underpass being built on the Delhi-Mumbai railway track alignment. Ramganjmandi Deputy Superintendent of Police Ghanshyam Meena, railway officials were inspecting the construction work of the underpass being built beneath the railway track when the accident took place. Senior Section Engineer Pankaj Kumar Jha and Junior Engineer Prabhat Singh were buried under the soil during the inspection. Senior Divisional Commercial Manager Saurabh Jain said an inquiry into the accident has been ordered....