CSAB and JoSAA are the bodies that allot the candidates' seats after the JEE. The CSAB seat allotment process occurs after the completion of all JoSAA seat allotment rounds.
CSAB and JoSAA are the bodies that allot the candidates' seats after the JEE. Therefore, CSAB vs JoSAA is important for all the candidates participating in the exam and qualifying for the counselling round.
The CSAB seat allotment process occurs after completing the JoSAA round 6 seat allotment. Additionally, candidates can apply for both CSAB and JoSAA counselling.
CSAB vs JoSAA - Highlights
CSAB vs JoSAA is always a confusing discussion. Candidates must note that both authorities consider the rank list to conduct the counselling sessions.
| Particulars | CSAB | JoSAA |
| Full Form | Central Seat Allocation Board | Joint Seat Allocation Authority |
| Conducted for | Counselling and admission in NIT+ systems | Counselling and admission in IITs and NIT+ systems |
| Rounds | 2 | 6 |
CSAB vs JoSAA Seat Selection Choices
The seat allotment process of CSAB vs JoSAA is similar. Candidates must note that CSAB and JoSAA seats are available after the JEE results are declared.
| CSAB | JoSAA |
| Freeze: Candidates who freeze their choice of the available seats take the seats allotted to them. | Freeze: Candidates who choose to "freeze" their selection of seats that have been assigned to them. |
| Slide: Candidates may accept their seats and still show up for the following round of counselling if they don't think the ones they were given are what they wanted. The candidates get the desired seat in the upcoming round; they may leave the seats allotted to them earlier. | Slide: If candidates don't feel their seats are what they wanted after accepting them, they may still appear at the next round of counselling. The applicants may vacate the seats assigned to them earlier if they are given the desired seat in the subsequent round. |
| Float: Candidates who want to take a chance and attend the upcoming counselling rounds in the same college and course may choose the float option. However, they must accept the seat assigned to them in the first round, albeit if they are not granted their preferred seat in the succeeding rounds. | Float: Candidates may choose to employ the float option if they are willing to take a chance and attend the upcoming counselling sessions at the same college and course. Even so, if they don't get their desired seat in the following rounds, they must accept the seat given to them in the first round. |
| Surrender: This option is chosen by candidates who want to decline and give up the seat assigned to them in the first round of the counselling session to participate in the subsequent rounds. | - |
| Withdraw: If a candidate wants to pass up the position and doesn't want to participate in subsequent rounds of the counselling session, they can choose this option. However, there won't be any additional seat allocations. | - |
Quick Links:
| JEE Main 2025 | JEE Advanced 2025 |
CSAB vs JoSAA Seat Allotment Process
To participate in the seat allotment process for CSAB and JoSAA, candidates must begin with registration. The detailed steps are as mentioned below in the table.
| Events | CSAB | JoSAA |
| Registration | Candidates must head to the official website of CSAB and register themselves. Even if they have registered for JoSAA, they need to re-register to participate. | Candidates must visit the JoSAA official website and register to participate in JoSAA counselling until round 6. |
| Choice Filling and Locking | Candidates must enter their choice of college and the courses they want to take admission into. Once done, lock the choices. Additionally, they must remember that the seats they selected during the JoSAA will not be considered for CSAB. | Once the registration is complete, candidates must advance to fill up the choice and lock the courses and college. However, they must remember that seats will be offered based on rank. |
| Reporting | Candidates must report to the allotted institutes on the specified date and time after the counselling rounds. It is the time when the admission process begins. Additionally, candidates must pay the fee for the course they choose. | Candidates must reach the allotted institutes within the timeframe with all the required documents. Besides, failing to report will lead to the cancellation of the candidature. |
| Document Verification | The document verification process of CSAB vs JoSAA is the same. Candidates must carry their JEE rank card, admit card, class XII and XI marksheet, and all the other documents listed. | |
JoSAA Seat Matrix
Based on previous years' data, the JoSAA seat matrix is shown in the table below. The overall number of seats varied for IITs, IIITs, NITs, and GFTIs. Additionally, the number of seats in each institute's categories varies.
Candidates might refer to the table below to understand the expected JoSAA Seat Matrix 2025.
| Categories | IITs | NITs | IIITs | GFTIs | |
| OPEN | 6383 | 9178 | 2822 | 3149 | |
| OPEN-PwD | 346 | 469 | 129 | 171 | |
| GEN-EWS | 1568 | 2264 | 658 | 640 | |
| GEN-EWS-PwD | 84 | 133 | 30 | 33 | |
| SC | 2370 | 3366 | 1006 | 922 | |
| SC-PwD | 122 | 190 | 49 | 51 | |
| ST | 1179 | 2032 | 512 | 557 | |
| ST-PwD | 61 | 106 | 18 | 27 | |
| OBC-NCL | 4259 | 5939 | 1810 | 1155 | |
| OBC-NCL-PwD | 226 | 317 | 92 | 54 | |
| Total (including Female Supernumerary) | 16598 | 23994 | 7126 | 6759 | |
| Program-Total | Seat Capacity | 15031 | 23245 | 6501 | 6729 |
| Female Supernumerary | 1567 | 749 | 625 | 30 | |
| Total Seats | 49794 | 71982 | 21378 | 20277 | |
CSAB Seat Matrix
Based on previous years' data, the CSAB seat matrix is mentioned in the table below for NIT+ systems. The seats offered for admissions are generally released after JoSAA round 6 for the vacant seats.
Candidates must note that they need a new registration for participation.
| Institutes | Seats Available |
| NITs | |
| NIT Jalandhar | 241 |
| NIT Agartala | 226 |
| NIT Calicut | 222 |
| NIT Raipur | 203 |
| MANIT Bhopal | 183 |
| NIT Hamirpur | 150 |
| NIT Delhi | 145 |
| NIT Karnataka | 145 |
| NIT Durgapur | 122 |
| NIT Patna | 115 |
| MNIT Jaipur | 97 |
| MNNIT Allahabad | 97 |
| NIT Puducherry | 72 |
| NIT Nagaland | 68 |
| NIT Goa | 57 |
| NIT Meghalaya | 37 |
| IIITs | |
| IIIT Manipur | 219 |
| IIIT Dharwad | 109 |
| IIIT Kancheepuram | 87 |
| IIIT Kurnool, Andhra Pradesh | 76 |
| IIIT Sri City, Chittoor | 64 |
| IIIT Tiruchirappalli | 61 |
| IIIT Guwahati | 57 |
| Pt. Dwarka Prasad Mishra Indian Institute of Information Technology, Design & Manufacture, Jabalpur | 54 |
| IIIT Kalyani, West Bengal | 53 |
| IIIT Allahabad | 53 |
| IIIT Kilohrad, Sonepat, Haryana | 51 |
| IIIT Lucknow | 51 |
| IIIT Vadodara, Gujarat | 44 |
| IIIT Una, Himachal Pradesh | 41 |
| IIIT Kota, Rajasthan | 33 |
| Atal Bihari Vajpayee Indian Institute of Information Technology & Management, Gwalior | 30 |
| GFTIs | |
| Birla Institute of Technology, Ranchi | 480 |
| Gurukula Kangri Vishwavidyalaya, Haridwar | 458 |
| Assam University, Silchar | 137 |
| Indian Institute of Carpet Technology, Bhadohi | 30 |
| Institute of Infrastructure, Technology, Research and Management, Ahmedabad | 91 |
Also Read: CSAB Vacant Seats 2025
