Mathematical show for non stop 12 hours

Chokkakula Ram Kiran Naidu S/o Ch. Krishna,a student of Adams school,chodavaram, born on 12th August 2004 from visakhapatnam, andhra Pradesh, India. He has set a tremendous record by performing a 10 th class mathematical show for non stop 12 hours that is 7 am to 7 PM at government school,chodavaram visakhapatnam dt, andhra Pradesh, India on 2nd January 2020.