Earlier, Sindh Mail train operated on this route from 1900 to 1965 when the track was bombed out by the Pakistan Air Force in Indo-Pakistani War of 1965. Thar Link Express was run started after 41 years in 2006 based on the earlier rail communication agreement. The rail communication agreement was signed by India and Pakistan in 1976, to ease the soured relations after the Indo-Pakistani War of 1971 for the successful liberation of Bangladesh by Indian Army. The rail communication agreement is renewable every three years, and currently it is valid until January 2019.