Simplex partners the Indian Railways building rail infrastructure – rail tracks, station buildings, bridges and culverts across the country. Among its several strengths, it is the pioneer in automatic track-laying for high speed tracks. Company has recently completed 200km Gooty-Pullampet section.

It has also been privileged to play a role in setting up almost all metro and light railway projects in major cities i. e. Mumbai, Delhi, Kolkata and Bangalore. It has recently completed 6 elevated stations for Kolkata Metro’s East West Corridor.