The correct options are
A Delhi was under foreign invasion.
B Devagiri was more centrally located.
Mohammed Bin Tughlaq shifted his capital from Delhi to Devagiri in central India. There were two main reasons behind this move: to establish the capital city at the centre of the vast empire, and to protect the capital city from foreign invasions. Though the plan was good, proper precautions were not taken to implement this. As a result, innumerable common people suffered severely.