
Pakistani air attacks caused moderate damage to the tank columns, but exacted a heavier toll on the truck columns and infantry. The Indian 1st Armoured Division's drive quickly divided, with the 43rd Lorried Infantry Brigade supported by a tank regiment attacking Gat, while the main blow of the 1st Armoured Brigade was hurled against Phillaura. In fact there was only a single regiment there at the time. The Indian plan was to drive a wedge between Sialkot and the 6th Armoured Division. Fighting around the Gadgor village between the Indian 1 Armoured division and the Pakistani 25th Cavalry Regiment resulted in the Indian advance being stopped.

Nisar, which was sent to the Chawinda area. The majority of the Pattons belonged to the new 25th Cavalry commanded by Lt. These units, plus an independent tank destroyer squadron, amounted to 135 tanks 24 M47 and M48 Pattons, about 15 M36B1s and the remainder Shermans. Realising the threat, the Pakistani rushed two regiments of their 6th Armoured Division from Chhamb to the Sialkot sector to support the Pakistani 7th Infantry Division there. This was followed by a short engagement at Jassoran in which Pakistan lost 10 tanks and ensured complete Indian domination of Sialkot-Pasrur railway.

The striking force of the Indian 1st Corps was the 1st Armoured Division supported by the 14th Infantry and 6th Mountain divisions and Indian infantry seized the border area on 7 September. The aim of the attack was to seize the key Grand Trunk Road around Wazirabad and the capture of Jassoran which would enable domination of Sialkot-Pasrur railway, thus completely cutting off Pakistani supply line. Later reinforcements included 8 Infantry Division and 1 Armoured Division.

The Pakistani force expected to oppose the Indian thrust consisted of 15 Division, 6 Armoured Division (equivalent to armoured brigade group) and 4 Corps Artillery. General Dunn, the commander of I Corps Indian Army was given an assortment of units: 1 Armoured Division, 6 Mountain Division, 14 Division and 26 Division.
