Zero Defect - is a management tool that aims at reduction of defects in a process / product through prevention. It was conceived by Philip Crosby in the early 1960s. It is a quest for perfection in order to improve quality and uses the concept of “doing it right the first time” in order to avoid costly and time-consuming rectifications.
An application oriented question on the topic along with responses can be seen below. The best answer was provided by R Rajesh on 20th November 2017.