Fastest child to solve four 6 x 6 Sudoku puzzles blindfolded

The record for being the fastest to solve four 6 x 6 Sudoku puzzles blindfolded was set by Nalboth Shikhara (born on March 20, 2018) of K.V. Rangareddy, Telangana. She solved four 6 x 6 Sudoku puzzles (on a sheet of paper), blindfolded, in 8 minutes, 39 seconds and 55 milliseconds, at the age of 7 years, 10 months and 7 days, as confirmed on January 27, 2026.