Maximum instrumental music grades completed in one year by a child

Dhriya K. (born on September 10, 2014) of Tamil Nadu, India, set a record for completing the maximum number of instrumental music grades in one year. She completed 4 grades while playing musical instruments (1 Piano grade and 3 Keyboard grades) in one year, from Trinity College of Music, London, at the age of 7 years, 7 months and 24 days, as confirmed on May 4, 2022.