TNPSC's website says the Group I (CCSE-I, Notification No. 05/2026) preliminary examination, objective type in OMR mode, is scheduled for 27 September 2026 in the forenoon session. Hall tickets were released on 17 September 2026 and can be downloaded from the TNPSC exam dashboard with your application number and date of birth.
Source: tnpsc.gov.in