India, June 27 -- A 31-year-old civil engineer working for a private firm in the city was arrested from Hisar for allegedly mowing down two law students on the Delhi-Gurgaon Expressway service lane near Hero Honda Chowk on Tuesday, leaving one of them dead and another injured, police said on Thursday.They identified the man as Mohit Kumar, originally from Nurpur Bhora Kalan in Pataudi. htc...