Derek O’Brien’s name is synonymous with Bournvita Quiz Contest. The Parliamentarian, who’s been hosting the show for the past two decades now, is back on the small screen with the quiz show in a new, evolved avatar. With the show completing 40 years (it started as a radio show in 1972), O’Brien speaks about the secret of its success and how it has evolved over the years. Excerpts from the interview.

Derek O’Brien believes that BQC’S message of making knowledge interesting has helped sustain the show