Ayrav Jayakrishnan (born on August 22, 2019) of Kerala, India, is titled as ‘Grand Master’ for solving 81 puzzles including 3 nine- pieces, 3 eight- pieces, 17 six- pieces, 14 five- pieces and 44 four-pieces, at the age of 2 years and 4 months, as confirmed on January 7, 2022.