CHENNAI: The Tamil Nadu Public Service Commission on Tuesday announced that the Group I mains examination would be conducted from January 4 to 6. "Of 1.31 lakh who appeared for the preliminary examination, 3,800 candidates qualified for the mains examination," the TNPSC said in a release. The details of the candidates who have qualified have been hosted on the TNPSC's website www.tnpsc.gov.in. The qualified candidates need to upload the documents from December 22 to January 5. The board notified 66 vacancies in posts like deputy collector, deputy superintendent of police, commercial tax officer and others in 2020. The preliminary exam was conducted on January 3, 2021.