After India breached the Madhupur canal on 11 September, the Khem Karan counter-offensive was halted, affecting Pakistan's strategy substantially. Although India's tank formations experienced some results, India's attack at the Battle of Chawinda, led by its 1st Armoured Division and supporting units, was brought to halt by the newly raised 6th Armoured Division (ex-100th independent brigade group) in the Chawinda sector. Pakistan claimed that Indians lost 120 tanks at Chawinda. compared to 44 of its own But later, Indian official sources confirmed India lost only 29 tanks at Chawinda.