Simplify the following text for a Grade 10 native English-speaking person.
Original: All Nizams are buried in the royal graves at the Makkah Masjid near Charminar in Hyderabad except for the last Nizam , Mir Osman Ali Khan , who willed that he be buried in his mausoleum in the Judi Mosque facing King Kothi Palace .
Simplified: After the British left India in 1947 , the princely state of Hyderabad did not join either of the new dominions of India or Mir Osman Ali Khan is buried in a different place . His mausoleum is in the Judi Mosque facing King Kothi Palace .