Complex sentence: Khan started her career in the year 1999 at Zee TV Network as an entertainment presenter and news reporter, and then started to host her own talk show interviewing celebrities from music and film, sports and politics.
Split into simpler sentences: Khan started her career in the year 1999 at Zee TV Network, as an entertainment presenter and news reporter. She then started to host her own talk show interviewing celebrities from music and film, sports and politics.