Quick Answer
To apply for CDS 1 2027, complete the UPSC One Time Registration (OTR), then fill the form on upsconline.nic.in between 2 December 2026 and 22 December 2026. Upload your photo, signature and photo ID, pay the ₹200 fee (women and SC/ST exempt), choose your exam centre and academy preference, and submit. Keep your degree and Class 10 (date-of-birth) documents ready.
The CDS 1 2027 application form opens with the notification on 2 December 2026. A clean, error-free application avoids rejection — this step-by-step guide covers registration, filling, documents, fee and correction. For eligibility first, read the CDS 1 2027 eligibility guide.
CDS 1 2027 Application — Step by Step
- One Time Registration (OTR): Create your UPSC OTR profile on upsconline.nic.in (reused for all UPSC exams).
- Fill the CDS 1 2027 form: Enter personal, educational and communication details, and select academy preferences (IMA/INA/AFA/OTA).
- Upload documents: Scanned photograph, signature and photo ID in the specified format.
- Pay the fee: ₹200 via net banking, card or UPI. Women and SC/ST candidates are exempt.
- Choose exam centre: Select on a first-apply-first-allot basis — apply early for your preferred city.
- Submit & save: Download the confirmation page for your records.
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Explore NDA CoachingTalk to a MentorDocuments Required
- Class 10 certificate (date of birth proof)
- Graduation degree / final-year proof (education)
- Scanned photograph and signature (as per UPSC specs)
- Valid photo ID (Aadhaar, PAN, passport, etc.)
Application Fee
The CDS application fee is ₹200 for general and OBC male candidates. Women, SC and ST candidates are exempt. After the window, UPSC opens a short correction window to fix errors. Confirm dates on the notification guide.
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Frequently Asked Questions
When does the CDS 1 2027 application form open?
The CDS 1 2027 form opens with the notification on 2 December 2026 and closes on 22 December 2026, on upsconline.nic.in.
What is the CDS 1 2027 application fee?
₹200 for general and OBC male candidates. Women, SC and ST candidates are exempt from the fee.
What documents are needed to apply for CDS 1 2027?
Class 10 certificate for date of birth, graduation degree or final-year proof, a scanned photo and signature, and a valid photo ID.
Is UPSC One Time Registration required for CDS 1 2027?
Yes. You must complete the UPSC OTR on upsconline.nic.in before filling the CDS application; it is reused for future UPSC exams.
Can I edit my CDS application after submitting?
UPSC opens a short correction window after the deadline where limited edits are allowed; review your form carefully before it closes.




