UPSC CDS 1 2021 Notification:  If you are preparing for UPSC CDS Exam 2021, then get ready. Its notification has been issued after which registration will start from today itself.  According to the schedule released by UPSC (Union Public Service Commission) for the year 2021, notification for Combined Defense Services Examination (1) 2021 will be released today. This can be seen on the Commission’s website upsc.gov.in. UPSC CDS 1 2021 Notification Recruitment is done in various defence academies through CDS (1) Exam 2021. These include Indian Military Academy, Indian Naval Academy, Indian Air Force Academy, and Officer Training Academy, etc.