On December 11, a diversion on Road Mawa-Pangdaur was constructed for the free movement of vehicles. Three reconnaissance patrols of 404 Field Company advanced with 91 Infantry Brigade to three different points for minefield reconnaissance. A second minefield lane was lined with the operational track on December 12. Simultaneously, 405 Field Company also cleared a minefield lane for the Armoured Brigade and, on December 13 night, it breached an enemy minefield with trawls 1,300 metre-deep, north of Lohara and further extended it up to Lohara.