After the publication of this article, a concern was received about its review process. Following an investigation, we determined that authors were added during the peer review process without obtaining consent of all authors. We contacted all authors and asked them to confirm their agreement with the authorship change. The email for one of the added authors was no longer in service. We received an email from a non-institutional email account claiming to be the author and saying he was at a different, unnamed affiliation. We requested the name of the affiliation and his supervisor's contact details to verify the information. He provided a supervisor name and contact details, but did not name his new affiliation. We attempted to contact the supervisor several times by phone and by email; all phone calls failed, and we did not receive any email response. The author did not respond to any of our subsequent messages asking for more details to verify his identity and authorship. During the investigation, the coauthors sent information with two different affiliations for this author, neither of which matched the supervisor affiliation the author provided. We contacted both of those affiliations multiple times, and neither replied. We are not confident that we have received a verified reply from the author or that he agrees to be listed as an author. Due to the unverified authorship, we hereby retract the paper. Reasonable effort should be made to remove references to the paper. All authors have been notified of the retraction, and we have kept a record of any responses received. Citation of Retracted Article: K. M. Yashawantha, A. Asif, G. Ravindra Babu, and M. K. Ramis, “RETRACTED: Rheological Behavior and Thermal Conductivity of Graphite-Ethylene Glycol Nanofluid,” Journal of Testing and Evaluation 49, no. 4 (2021): 2906–2927, doi.org/10.1520/JTE20190255 Citation of Retraction Statement: ASTM International, “Retraction Statement,” Journal of Testing and Evaluation 54, no. 3 (2026): XX–XX, doi.org/10.1520/JTE20268998