The World Record of ‘largest radium dots mosaic’ has been achieved by Dr. Nidhi Prajapati from Kota, Rajasthan, India.

On Sep 30, 2020; Dr. Prajapati created the radium dots mosaic portraying Mahatma Gandhi with more than Thirty Thousand radium sticker dots. The 8×4 feet size radium dots mosaic was exhibited on the occasion of 151th birth anniversary of Mahatma Gandhi.