The Union Public Service Commission (UPSC) has reopened the application window for the Engineering Services Examination (ESE) 2025. New applicants can apply from 18th October to 22nd November 2024. Existing applicants can update their details during this period. Additionally, a correction window will be open from 23rd to 29th November 2024. The ESE Preliminary Exam is rescheduled for 8th June 2025, and the Main Exam for 10th August 2025.