WHEN ACFT WAS 20 NAUTICAL MILES SOUTH-WEST OF MIMAL REPORTED FAILURE OF ENGINE NO. 1 AND REQUESTED DIVERSION BACK TO LAHORE. ACFT WAS CLEARED DIRECT TO POSITION VEREN. LATER, ACFT ANNOUNCED PAN PAN AND REQUESTED DIRECT POSITION ELAMA THAT WAS APPROVED. FIRE VEHICLES WERE POSITIONED ALONG THE RWY AS REQUESTED BY THE PILOT. POST ARRIVAL RWY INSPECTION WAS CARRIED OUT FOUND CLEAR. FUEL ENDURANCE WAS 03 HRS 25 MINUTES. ACFT LANDED SAFELY.