New Delhi, Dec 14 (IANS) The union government on Wednesday said that the Indian Railways has tested 219,752 km of tracks with Ultrasonic Flaw Detection Testing (USFD) method this year to detect minor inner flaws in rails and welds.
"Till October 2016, 219,752 km of tracks were tested through USFD," Minister of State for Railways Rajen Gohain said in a written reply to the Lok Sabha.
According to the minister, in 2014-15 a total of 356,268 km of tracks were tested, while 364,356 km of railway tracks were tested in 2015-16 using the same technology.
The USFD is carried out to detect inner flaws in rails and welds, whereas in-trolley inspection is carried out manually to check physical condition of track, its components and other track-side railway infrastructure.
