Facts:   - death place: hujra . faisalabad sabri , kanjvani , near tandlianwala , dist    - notable works: '' are a puzzle -rrb- tum ek gorakh dhanda ho '' -lrb- you    - known for: '' sandal dharti ''    - birth name: muhammad siddique    - death date: 12 december 2010      - birth date: 1947    - name: naz khialvi    - nationality: pakistani    - birth place: tandlianwala , dist . faisalabad , punjab , pakistan    - occupation: lyricist , poet , radio broadcaster   Based on these bullet points, write a short biography describing the life of naz khialvi .
naz khialvi -lrb- 1947 -- 12 december 2010 -rrb- was a pakistani lyricist and radio broadcaster , who is mainly known for his sufi verse `` tum ek gorakh dhanda ho '' -lrb- you are a puzzle -rrb- , later sung by nusrat fateh ali khan , a legendary qawwali singer , making both of them a household name .he also hosted a radio programme , sandhal dharti at faisalabad radio station for 27 years .