According to Official Guinness Records,
The fastest time to put six eggs in egg cups using the feet whilst in a contortion chest stand is 18.28 seconds, and was achieved by Vaishnavi S (India), in Tamil Nadu, India, on 12 April 2018. This is the 8th successful attempt at setting this record.
For a complete list of 2018 records, please visit 2018 Guinness Records in India.