In the winter of 1297 - 98 , Kadar invaded .
In the winter of 1297 - 98 , Kadar ravaged the Punjab region of the Delhi Sultanate , which was ruled by Alauddin Khalji .
In the winter of 1297 - 98 , Kadar invaded and ravaged the Punjab region of the Delhi Sultanate , which was ruled by Alauddin Khalji .