Yes, A Train which lengths 2.8 Km. As per a tweet twitted on official twiter handel of The Railway Minisery of India, This Train “amalgamating 4 empty BOXN rakes, powered by 4 sets of electric locomotives.” It is also the “longest train ever to run on Indian Railways.”
Railway Minister Piyush Goyal informs in his tweet that the train was operated between Nagpur & Korba.