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16 July 2026|3 min read

CSAB 2026: How to Lock Your Choices Step by Step

CsabCounselling Guide
Indian JEE Main aspirant locking CSAB 2026 counselling choices on the official portal while reviewing the final preference list for NIT, IIIT, and GFTI admissions.
Table of content

Key Takeaway

One of the most searched questions during CSAB counselling is "How do I lock my CSAB choices?", "Is choice locking compulsory?", and "What happens if I don't lock my choices?" The process is simple, but missing the deadline or making last-minute changes without reviewing your preferences can affect your seat allotment. Here's a step-by-step guide to help you complete the process confidently.

Do You Need to Lock Your CSAB Choices?

Yes. During the choice filling window, candidates are expected to review and finalize their preferences before the deadline. Once your choices are locked (or automatically locked by the system after the deadline, if applicable under CSAB rules), they become the basis for seat allotment. Always verify the latest instructions mentioned in the official CSAB information brochure before the counselling deadline.

How to Lock Your CSAB 2026 Choices?

If you're wondering "How can I lock my CSAB choices?" or "Where is the choice locking option?", follow these steps.

StepAction
1Login to the CSAB counselling portal using your credentials.
2Open the Choice Filling section.
3Add your preferred institutes and branches.
4Arrange them in your preferred order.
5Review the complete preference list carefully.
6Click Lock Choices before the deadline (if applicable).
7Download and save the locked choice PDF for future reference.

Creating the right preference order is often more difficult than locking the choices. The OGcollege CSAB College Predictor helps you shortlist colleges based on your JEE Main rank, while the OGcollege CSAB Choice Filling Tool prepares a personalized preference order using previous CSAB trends, helping you avoid common choice filling mistakes before locking your final list.

What Happens If You Don't Lock Your Choices?

This is another frequently asked question by candidates. If the CSAB system automatically locks the last saved choices after the choice filling deadline, those preferences will be considered for seat allotment. However, candidates should never rely on automatic locking and should always complete the locking process themselves (where required) after reviewing the final list to avoid unnecessary risks. Always follow the instructions mentioned on the official CSAB portal for the current counselling year.

Can You Edit Choices After Locking?

Generally, candidates can modify their choices only during the active choice filling period and before the final deadline, subject to CSAB rules. Once the choice filling window closes, the submitted preference order cannot be changed for that round. This is why experts recommend reviewing your list multiple times before the deadline instead of making last-minute changes.

Common Mistakes to Avoid

Many students lose better opportunities because they make avoidable mistakes during choice filling. Placing colleges in the wrong order, selecting branches without checking previous cutoffs, ignoring backup options, and waiting until the final hours to submit preferences can all affect the final allotment. Preparing your list early gives you enough time to review and make informed decisions.

If you're filling your CSAB preferences, you should also read CSAB 2026: How to Read Opening & Closing Ranks Before Filling Your Choices to understand cutoff trends. You may also find Can You Participate in CSAB 2026 After Accepting a JoSAA Seat? useful if you're joining the Special Rounds after JoSAA.

Talk to Seniors Before Locking Your Choices

Previous cutoffs don't explain campus life, placements, internships, coding culture, or branch flexibility.

Through the OGCollege Talk to Seniors feature, you can connect with students from NITs, IIITs, and GFTIs to understand which branches they recommend, how they finalized their own choice list, and what they would do differently if given another chance.

Conclusion

Locking your CSAB choices is the final and most important step before seat allotment. Take time to arrange your preferences carefully, verify your list, and complete the process before the deadline instead of relying on automatic system actions.

A well-planned choice list backed by previous cutoff analysis usually leads to much better counselling outcomes than making decisions at the last minute.

Verified Sources

CSAB Official Website 

CSAB Information Brochure 2026

JoSAA Official Website

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