This time, two papers of matric and intermediate of Board of Intermediate and Secondary Education (BISE) Lahore were leaked a day before the papers were scheduled, reported 24NewsHD TV channel on Thursday.
The chemistry paper for matriculation and a chemistry theory paper for intermediate were out before time.
Punjab Higher Education Department has ordered an inquiry into the leakage of the papers.
It is expected that grade-12th chemistry theory paper and matric papers will be held again.
Reporter Junaid Riaz