add multiple prefix of different category in the new thread

[ZiNgA BuRgA]

(10-24-2014 02:14 AM)deal4512 Wrote:  i dont know how to add it as prefix in post new thread as custom input field and also to display in front in the posted thread.

I lost you there.  If you want to reposition the input field, you'll need to do template editing.