Hazara Public School & College Changa Manga’s Students Visited Kallar Kahar and Salt Mine Khewra.This moments was very pleasant for the students. HPSC continuously arranges such visits to bring students out of their hectic study schedule. The tour started at 6:00 AM in the morning and reached Khewra Salt Mines via Lahore-Islamabad Motorway at 12:30 PM. After then they reached Kallar Kahar at 4:00 PM. They reached back campus at 11:00 PM.