Fr. Dr. Rinju P. Koshy (born on July 11, 1980) of Kerala, India, is titled as ‘Grand Master’ for running an online quiz contest for many consecutive days. He started the quiz contest named Arivu on April 28, 2020 and continued till December 18, 2020 completing two seasons with 218 episodes on the social platforms of Facebook and YouTube. Each quiz had 20 questions and people around the world were allowed to join the contest, as confirmed on December 24, 2020.