ISLAMABAD: Pakistan and China have reportedly reached a consensus to revise the cost of the Mainline-1 (ML-1) project to approximately $6.6 billion, with an amended project design slated for submission to Pakistan by October 31. ML-1 comprises a 1,872-kilometer railway track connecting Karachi to Peshawar traversing Sindh and Punjab provinces. The project involves upgrading and doubling the track, laying a …