Of the 20 teams that qualified for the semi-final rounds, the third stage of the National Safety Science Quiz 2017
, the fourth and the last batch of five teams fight it out for a spot in the Grand Finale. The defending champions from Chennai fight it out with other four teams for a spot in the finale. A total of 20 teams were shortlisted from the 750 schools which took part in the preliminary rounds of the quiz, which seeks to enlighten students about this simple fact - safety is a science. The top four teams that will qualify in the Semi Final stage will qualify for the stage four - Grand Finale.