Thar Express Thar Express Thar Express () is an international passenger train operated weekly by Pakistan Railways between Karachi and Khokhrapar. The trip takes approximately 7 hours, 5 minutes to cover a published distance of , traveling along a stretch of the Karachi–Peshawar Railway Line and Hyderabad–Khokhrapar Branch Line. Upon reaching Zero Point railway station and clearing customs, passengers cross the border to Munabao, India and board the Thar Link Express to Jodhpur. The Thar Express is a continuation of the previous "Sind Mail" which was revived after a period of 41 years on 18 February 2006. The Thar Express travels along
Geological Survey of Pakistan notably carried out an ingenious work on nuclear geology and geography as part of the clandestine atomic bomb project, and played an integral role in the selection of the test sites. Throughout this time, the GSP's scientists continued exploring uranium and plutonium, as well as other material sources in all over the country. In 1992, The GSP announced the discovery of the huge deposits of coal at Thar Desert in Sindh. The GSP sponsored and published various studies on the geology of Thar Desert. In the 1990s, the GSP issued and produced several maps of atlas of Pakistan, with mapping