Differences between JOSAA and CSAB

Dewesh Nandan Prasad

Updated On: June 02, 2025 11:36 AM | JEE Advanced

JoSAA counselling is done for the overall admission to IIT, NIT, IIIT, and GFTI/CFTI, whereas the CSAB counselling is done to fill the vacant seats after the JoSAA counselling for the NIT+ system. Check the differences between JoSAA and CSAB in the article.
Differences between JOSAA and CSAB

Differences between JOSAA and CSAB: JoSAA stands for Joint Seat Allocation Authority, which is under the Ministry of Education (MoE) and provides counselling to get admission to the prestigious engineering institutes like IIT (Indian Institute of Technology), NIT (National Institute of Technology), IIIT (Indian Institute of Information Technology), and GFTI/CFTI (Government/Centrally Funded Technical Institutes). The admission through counselling is provided for candidates who qualify for the J EE Main 2025 and J EE Advanced 2025 , whereas CSAB stands for Central Seat Allocation Board, which is responsible for filling the vacant seats left after the JoSAA Counselling for the NIT+ system (NIT, IIIT and GFTI/CFTI). Check the major differences between JoSAA and CSAB in the article.

Check Also:

JoSAA Counselling 2025 . JoSAA General Category Cutoff 2025

Differences between JoSAA and CSAB

Check the major differences between the JoSAA and CSAB in the table below:

JoSAA vs CSAB 2025

Particulars

JoSAA

CSAB

Full Form

Joint Seat Allocation Authority

Central Seat Allocation Board

Registration Fee

None

Yes

Seat Acceptance Fee (SAF)

35000

35000

Partial Admission Fee

45000 (not refunded/subject to the institute where the fee is  paid)

45000 (not refunded/subject to the institute where the fee is paid)

Number of Rounds

5

2

Exam Considered

JEE Main, JEE Advanced

JEE Main

IIT Admissions

Yes

No

Upgradation

Have the option to Freeze, Slide or Float

Only upgrade for the seat allotted in JoSAA counselling

Withdrawal Option

Before the Final Round, i.e., Round 5

No withdrawal after seat allocation

JoSAA Refund Policy

Refund of 28,000 from the SAF after deducting INR 5,000 registration fee and INR 2,000 processing fee

A refund will be given after deduction of INR 12000, which includes registration and

Seat Type

Regular Seat that includes IIT, NIT, IIIT, & G/CFTI

Vacant Seats which are not filled during JoSAA counselling

Check Also: JoSAA 2025 Choice Filling

JoSAA Vs CSAB Counselling Process 2025

To understand the difference between JosAA and CSAB, candidates must understand the counselling process. We have provided the detailed JoSAA and CSAB counselling process below in the article.

JoSAA Counselling Process 2025

The JoSAA counselling process begins with the online registration on the official website. After the registration is done, the qualified candidates for JEE Advanced and Mains have to do the choice filling and lock the colleges where they want admission to pursue engineering. Check the further JoSAA counselling process below:

  • Once the choice filling and locking are done, a mock allocation will be done. Candidates will be able to check the potential colleges and courses they are eligible for and have a good chance of getting admission.
  • After the mock seat allotment, the actual seat allotment rounds begin, where candidates are allowed to:
    • Freeze: If a candidate is satisfied with the college allotted to him/her, then he/she can freeze their seat in the counselling round
    • Slide: If a candidate is satisfied with the college but not satisfied with the branch allocated, then he/she can choose the slide option
    • Float: If a candidate wants to get into another college after being allocated to a college, then he/she can choose the float option
  • Seat Acceptance and Fee Payment: Once a candidate is allotted a college, he/she will have to pay the Seat Acceptance Fee.
  • Reporting to the Centre: After the allotment of the seat and payment for the seat is done, candidates have to download the allotment letter and report to the allotted centre with the required documents to get the admission
  • Reporting to the College: Once the document verification is done, the candidate has to report to the college for final verification and completion of the admission process.
Check Also: Do's and Don'ts After JoSAA Seat Allotment 2025

CSAB Counselling Process 2025

After the completion of the JoSAA counselling, the CSAB counselling process begins, which is done for the allocation of the seat which remained vacant in the JoSAA counselling. Check the detailed JoSAA counselling process below:

  • Online Registration: The CSAB counselling process begins with the registration for the counselling
  • Document Upload: Candidates have to upload their documents required for registration
  • Choice Filling: Candidates have to select the college from the NIT+ system where they want to get admitted to pursue engineering. The choice filling comprises three options that are explained below:
    • Choice Filling: Candidates have to select the list of colleges to pursue engineering
    • Locking the Choices: Lock the choices that is selected during the choice filling
    • Move Down Choices: Candidates can move down the choices which were previously selected during the JoSAA counselling process
  • Seat Allotment: The seat allotment process begins after the choice filling, where candidates are allocated to colleges from the list of colleges that they have selected during the choice filling process
  • Seat Acceptance and Partial Admission Fee: Once the college is allotted, candidates have to pay the Seat Acceptance Fee and Partial Admission Fee to download the allotment letter
  • Surrender: If the candidate wants to give up the allocated seat want to go for the second round of counselling, they can choose the surrender option
  • Withdraw: If a candidate does not want to continue with the counselling process and give up their allocated seat, then they can choose to withdraw. However, after selecting the withdrawal option, they will not be considered for the second round of counselling.
  • Reporting: After paying the seat allotment and partial admission fee, candidates have to download the allotment letter and report to the allotted centre for document verification
  • Reporting to the College: After completing the document verification, candidates have to report to the college to complete the remaining admission process.


For the conclusion, we can say that the JoSAA counselling is done for the overall admission to IIT, NIT, IIIT, and GFTI/CFTI. In contrast, the CSAB counselling is done to fill the vacant seats after the JoSAA counselling for the NIT+ system.

Related Articles:

JoSAA SC Category Cutoff 2025 JoSAA ST Category Cutoff 2025

List of Documents Required for JoSAA Counselling 2025

How does the JoSAA Counselling Process Actually Work?

What if you Don’t Clear the JoSAA Cutoffs? Here is the List of Alternative Options

List of JoSAA 2025 Participating Institutes - Check Complete List Here

JoSAA Cutoff 2025: JoSAA Opening & Closing Ranks for IITs, NITs, IIITs and GFTIs

How does the JoSAA 2025 seat allotment process take place?


We have provided the complete details related to the ‘Differences between JOSAA and CSAB’ in the article, and we hope that candidates have benefited from the article. If you are looking for admission into the Top Private Engineering Colleges In India 2025 across the country, you can just fill Common Application Form on our website. Stay tuned to CollegeDekho for the latest updates related to counselling, admission, and education news.

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FAQs

What rank is 70 marks in the JEE Advanced 2025 exam?

A score of 70 marks in the JEE Advanced 2025 exam generally corresponds to an All India Rank (AIR) between 18,000 and 19,000.



 

What is the minimum percentile required for participating in the JoSAA counselling process 2025?

Candidates must satisfy at least one of the following two criteria: Must have qualified and secured at least 75% aggregate marks in the Class XII (or equivalent) Board examination and the aggregate marks for the SC, ST and PwD candidates should be at least 65%.

How to check the JoSAA 2025 seat allotment result?

JoSAA is in charge of releasing the seat matrix for the participating colleges on its official website i.e., josaa.nic.in. This JoSSA matrix displays the available seats for each B. Tech course across the NITs, GFTIs, IIITs and IITs. Admission into these institutes is determined by the JEE Main 2025 entrance exam scores.

What is the fee of the JoSAA Counselling process 2025?

The partial JoSAA admission fee 2025 is set at INR 20,000 for the SC/ST category students and Rs 40,000 for the General, OBC, and EWS category students.

How many choices can be filled in the JoSAA 2025 Counselling process?

In the JoSAA choice filling process 2025, candidates are allowed to enter and arrange their choices of institutes and colleges according to their wish to be admitted to. Candidates are suggested to fill as many choices as possible in order of their preference to increase their chances of seat allotment in JoSAA 2025.

What if no seat is allotted in CSAB?

In case, a new seat is not allotted to a candidate in the CSAB-Special round, then the JoSAA 2025 seat will be retained with the candidates.

Does JoSAA automatically lock choices?

If one does not lock their choices, the last saved choices will be locked automatically upon reaching the deadline for the JoSAA choice filling. The automatically locked choice list will be considered for allocating a seat during the JoSAA counselling process.

What JEE Main exam rank is required for securing admission into the IITs?

The JEE Main exam rank required for securing admission into an Indian Institute of Technology (IIT) depends upon the institute, course, and the category of the candidate. The higher the JEE Main rank, the greater the chance of securing admission into the IITs. 

Does IIT come under the JoSAA 2025 counselling process?

Yes. JoSAA manages the admissions process for providing admissions across the Indian Institutes of Information Technology (IIITs), National Institutes of Technology (NITs), Indian Institutes of Technology (IITs), and the Government Funded Technical Institutes (GFTIs).

What is the cutoff for the JEE Advanced 2025 exam?

The cutoff for the JEE Advanced 2025 exam depends on the category of the candidate and the institute, but the minimum qualifying marks in JEE Advanced 2025 are 35% for the general category, 31.5% for the OBC-NCL/EWS category, and 17.5% for the SC/ST/PwD candidates. 

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