Question

Which place did the Allah uddin khilji did not conquered

Answer 1

Alauddin khilji did not conquered the kingdoms of Devagiri, Warangal, Dwarasamudra and Madurai.  He did not annexed these kingdoms for two reasons first,  he realised that it would be practically difficult to control these distant lands from Delhi. Second, he was more interested in acquiring the wealth of these Deccan kingdoms for the maintenance of his huge army.