Tucked away behind a board next to the Dargah of Hazrat Turkman is the Holy Trinity Church
It was built in 1905 and is unique for its half domes. This church was supposed to be built near Ajmeri Gate but shifted to present location when an underground medieval reservoir was discovered while the foundations were being dug
According to Sir Edward Maclagan, says a Delhi Archdiocese publication, there were 120 Catholics in Delhi during Shah Jahan’s reign in 1650. Their number went up to 300 by 1686 when Aurangzeb was on the throne. Two priests looked after them.