UPSC IES and ISS Notification. Union Public Service Commission (UPSC) has announced notification for the recruitment of Indian Economic Service (IES) Indian Statistical Service (ISS)Exam 2020. Posts : 15 Qualification : Candidates should possess Post Graduate Degree (Economics/ Applied Economics/ Business Economics/ Econometrics). Age Limit (as on 01-08-2020) Minimum Age: 21 Years Maximum Age: 30 Years Age relaxation