LAHORE - Railways Minister Khawaja Saad Rafique vowed to bring improvement in schools and hospital run under Pakistan Railways. Addressing as chief guest on annual sports days at Lady Griffin Girls High School & College here on Saturday, the minister said: “We have to work day and night in health and education sector.” Saad Rafique said he was not satisfied over the salaries of teachers in Railways’ schools and made commitment he would bring change in both sectors (schools and hospitals of the railways) as he put on track the rail in six months.