The grave of Makhdum - i - Jahan must have been added later .
The central grave is known to be that of Ghiyath al - Din Tughluq , other two belong to his son , Muhammad bin Tughluq and his wife , Makhdum - i - Jahan .
The grave of Makhdum - i - Jahan         must have been added later .
The central grave is known to be that of Ghiyath al - Din Tughluq , other two belong to his son , Muhammad bin Tughluq and his wife , Makhdum - i - Jahan .