ISLAMABAD (APP) - General Manager Operations Pakistan Railways, Ashfaque Khatak, has said that he has sent a summary to the federal government requesting for 15 per cent increase in fares of goods and passenger trains. Talking to a private news channel, he termed raise in rail fares as 'indispensable in order to meet additional expenses of the Pakistan Railways given the salary-raise for govt employees and increase in diesel and electricity tariff.