Alauddin 's courtier Amir Khusrau mentions that the Mongols reached India by crossing the Sulaiman Mountains .
In the winter of 1297 - 98 , Kadar invaded and ravaged the Punjab region of the Delhi Sultanate , which was ruled by Alauddin Khalji .
Alauddin Khalji 's courtier Amir Khusrau mentions that the Mongols reached India by crossing the Sulaiman Mountains .
In the winter of 1297 - 98 , Kadar invaded and ravaged the Punjab region of the Delhi Sultanate , which was ruled by Alauddin Khalji .