Steve Rineesh (born on November 12, 2015) of Kerala, India, is titled as ‘Grand Master’ for reciting the exponential powers of single-digit numbers from 2 to 9 (up to exponential power 9) in 2 minutes, 11 seconds and 90 milliseconds at the age of 5 years and 11 months (while being blindfolded), as confirmed on November 23, 2021.