New Delhi, Feb 26 (ANI): Union Railway Budget Suresh Prabhu on Thursday presented the Rail Budget for fiscal year 2015-16. Prabhu said that the railways propose to move from preventive to predictive maintenance. Further elaborating, Prabhu said that safety of passengers is of utmost importance for which technology intervention is required. He added that modern tracks, audio-visual warnings are few of the measures the government is contemplating to avoid train collisions.