Maligaon, November 21 (MExN): The Northeast Frontier Railway (NFR) has made considerable improvement in Operational Efficiency during last one year. This was made possible by the policy of optimal utilization of available resources. The Total Train Engine Kilometre (TTEK), which reflect the amount of total traffic moved have increased from 20.92 in 2017-18 to 22.58 in 2018-19 (till October). Similarly, the Engine Kilometre per Engine day (EKE) – which is the representative value of the total kilometre an engine is run on an average – has also improved from 337 to 390 during the same period, a press release from NFR informed.