If you're planning to get into Delhi University for an undergraduate course this year, the CSAS portal is where it all begins. The DU admission portal (Common Seat Allocation System) for UG 2024-25 went live on June 17, 2025. It’s the single window for everything: CUET score, college preferences, course selection, and seat allocation. Whether you’re targeting top colleges like Hindu College, Miranda House, Kirori Mal, or Hansraj, your journey starts and ends on this platform.
This article breaks it all down in a straight-up way: how to register, how preference selection works, important deadlines, seat allotment flow, and the new updates you should actually care about. DU's CSAS process this year also includes some changes, like using Class 10 marks as tie-breakers, automatic seat upgrades, and tighter document verification. If you're serious about getting a seat at DU, you need to be well informed.
How to Use the CSAS Portal DU (UG 2024)
Step 1 – New Registration
Start by heading to ugadmission.uod.ac.in. This is the main portal for all undergraduate aspirants.
- Click on “New Registration”
- Enter CUET application number and date of birth
- Complete OTP verification
- Upload your documents: Class 10 & 12 mark sheets, photo, signature, and certificates if applying under category/ECA/sports
Don’t leave this for the last day. DU’s portal can lag when traffic spikes.
Step 2 – Fee Payment
You can’t move forward until you pay the fee. Here’s what it looks like:
- General/OBC/EWS: ₹250
- SC/ST/PwBD: ₹100
- BFA/Music applicants: Extra ₹400
- ₹100 extra per ECA/Sports category
After payment, your dashboard unlocks and everything else happens from there.
CSAS DU Phase II – Preference Selection
This part starts after CUET UG results are announced. DU will activate the preference section in your portal.
- Log in again to your dashboard
- Click on Phase II: Preference Selection
- You’ll only see colleges and courses you’re eligible for
- Reorder and lock your preferences wisely
Once you lock, that’s it—no changes. Your seat will be based on this order + your CUET score. If you're unsure, talk to seniors or look at last year’s cut-offs.
CSAS DU Phase III – Seat Allotment & Admission
Here’s where seats are rolled out. DU will look at your CUET score and preference list to allot you a seat.
- Log in and check your allotment result
- Accept or choose upgrade
- Pay the seat acceptance fee
- Upload and verify documents online
If you don’t respond or pay in time, you’re out of that round. Auto-upgrade means if you selected it, the system will give you a better preference when available.
PG Courses and CSAS Portal PG
DU also runs a separate CSAS portal for PG and BTech admissions. This year, correction windows were open in early June. The PG portal has slightly more editing flexibility compared to UG. Just remember: UG submissions are mostly final, so be careful what you submit.
What’s Changed in DU Admissions 2025
A few tweaks have been introduced to simplify and speed up the system:
- Class 10 marks now used in tie-breakers
- Portal filters out courses/colleges you're not eligible for
- Document uploads are more strictly verified
- Seat upgrades are auto-accepted if you opt for them
These changes help avoid unnecessary confusion mid-process.
Common Mistakes to Avoid
Some errors are repeated every year, don’t make the same mistake.
- Missing payment deadlines
- Random preference filling without research
- Uploading wrong/blurred documents
- Forgetting to choose upgrade option
- Locking preference list too early without thinking
Stay alert and go step-by-step. You won’t get a redo.
Timeline for DU UG Admissions 2025 via CSAS Portal
Phase | Activity | Dates (Expected) |
Phase I | Registration & document upload | June 17 – June 30, 2025 |
Phase II | Preference filling after CUET result | July 8 – July 14, 2025 |
Phase III | Seat allotment & admission | July 15 – Early August |
Phase IV | Spot rounds & final list | August – September 2025 |
These dates are likely to shift slightly, but the structure stays the same.
Post-Seat Acceptance Process
Once you’ve accepted a seat:
- Head to the assigned college portal
- Check for additional document uploads
- Look out for orientation emails and class updates
Delays here can affect your confirmation, so don’t take it lightly.
Final Thoughts
The CSAS DU portal is not complicated, but it does require your full attention. It’s the only way of getting admission to DU through CUET. Whether you’re applying through the CSAS portal for UG 2024 or just going through the CSAS portal at Delhi University, make sure to register early, keep your documents ready, and be strategic with your preference list.
Delhi University admissions are high stakes, not because the system is confusing but because missing one step can cost you a year. Follow the process. Keep your logins safe. Don’t delay anything. And if your CUET score is solid, chances are you’ll land a good college.
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Frequently Asked Questions
What is the CSAS portal DU used for?
The CSAS portal is where you register, upload documents, fill preferences, and get your seat allotment for DU UG admissions through CUET.
When did the CSAS portal DU UG 2024 open?
The portal opened on June 17, 2025, for Phase 1 registration and document upload.
Is CUET compulsory for DU admissions?
Yes, CUET is mandatory for all UG admissions at Delhi University. No other exam or merit list is accepted.
How do I register on the CSAS portal?
Head to ugadmission.uod.ac.in, click on “New Registration,” and follow the instructions using your CUET credentials.
What is the fee for CSAS portal registration?
General/OBC/EWS pay ₹250, SC/ST/PwBD ₹100. Extra charges apply for BFA, music, ECA, or sports categories.
Can I edit my preference list later?
No, once you lock your preferences in Phase II, you can’t edit them. Think carefully before final submission.
What’s the difference between CSAS UG and CSAS PG portals?
UG is for undergraduate admissions; PG is a separate portal for postgraduate and BTech programs with a slightly different process.
Are seat upgrades automatic in DU admissions?
Yes, if you choose the upgrade option, the system will automatically move you to a better preference when available.
What happens if I miss the seat acceptance deadline?
You lose the seat allotted in that round and won’t be considered for upgrades. Be on time.
How are tie-breakers handled in DU admission?
From 2025, Class 10 marks will be used in case of tie-breaks for students with the same CUET score.
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