LAHORE: Railways Minister Khawaja Saad Rafique has said that the number of trains from Torkham to Karachi will be increased from existing 32 to 175 under the CPEC. Presiding over a meeting in Lahore on Monday, he said after up-gradation, the duration of journey from Karachi to Lahore will be twelve hours, while from Lahore to Rawalpindi two and a half hours.