According to Official Guinness Records,
This record is for the greatest number of people simultaneously performing the same Oyilattam dance at a single venue.This record should be attempted by a group of unlimited size.This record is measured by the number of successful participants.For the purpose of the record, Oyilattam is a classical Indian dance from Tamil Nadu, India.
For a complete list of 2018 records, please visit 2018 Guinness Records in India.