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2026

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31 NITs · Vacancy Ahead of SR1/SR2

CSAB 2026 NIT Vacant Seats — Which NITs Have Openings

Why NIT seats become vacant after JoSAA, which NITs typically carry more vacancies into CSAB, and how to check institute-wise seat availability before you lock your choices.

Why NIT Seats Become Vacant Going Into CSAB

Every year, a meaningful number of sanctioned NIT seats sit unfilled after JoSAA's five rounds close on July 16, 2026. This isn't a sign of low demand for NITs overall — it's a structural consequence of how JoSAA and CSAB are sequenced. A candidate might get allotted an NIT seat in Round 3 or 4, decide not to report physically, and that seat lapses straight into the CSAB vacant pool rather than being re-offered within JoSAA itself, since JoSAA doesn't run a 6th round.

A second and increasingly significant source is deliberate withdrawal. Between July 16–20, 2026 (the NIT+ withdrawal window), candidates who hold a JoSAA-allotted NIT seat but want to try for a better NIT, branch, or an IIT elsewhere can withdraw specifically to become CSAB-eligible. Every such withdrawal adds one seat back to the vacant pool that CSAB will then reallocate in SR1 or SR2 — this is precisely why CSAB registration doesn't open until July 28, after the July 22–24 Partial Admission Fee/category-restoration window settles which withdrawals are final.

Category and home-state quota mismatches add a third layer. Some NIT seats are reserved under category or home-state quotas for which JoSAA doesn't always find an eligible, willing claimant in a given cycle. These roll over into the general CSAB vacant pool, which is one reason vacancy counts can vary sharply year to year even for the same institute and branch.

The old-vs-new NIT variance is the most consistent pattern across cycles: the original 17-18 NITs (Trichy, Warangal, Surathkal, Calicut, Allahabad, Rourkela, and similar) are filled almost completely within JoSAA itself for popular branches, leaving CSAB with only a handful of seats — often in less-demanded branches like Metallurgical or Mining. Newer NITs (Delhi, Goa, Manipur, Puducherry, Sikkim, Uttarakhand, Andhra Pradesh, Arunachal Pradesh, among others) typically show noticeably higher vacancy counts across most branches, since their relative brand recognition and placement track record are still catching up with the older institutes.

This doesn't mean newer NITs are a lesser choice — several have made strong placement gains in recent years and offer smaller batch sizes with better faculty ratios in some departments. Use the CSAB seat matrix to see exact branch-wise vacancy, now that CSAB 2026 counselling has concluded, rather than relying on generalized old-vs-new assumptions alone.

Finally, remember that the vacancy snapshot shifts between SR1 and SR2 as more candidates decline SR1 offers or float for upgrades — see our SR1 result guide for how that reallocation plays out.

How to Check Institute-Wise NIT Vacancy

1

Wait for CSAB registration to open (~July 28)

Vacancy display typically goes live alongside registration on csab.nic.in — don't rely on unofficial aggregator numbers from previous years.

2

Log in with JEE Main 2026 credentials

The same Application Number/password used for JoSAA works on csab.nic.in.

3

Open the Vacancy Position / Seat Matrix section

This lists vacant seats institute-wise, branch-wise, and category-wise as of that point in the cycle.

4

Cross-reference with mock allotment (July 31)

The mock allotment shows where your rank stands relative to available NIT seats before you finalize your choice list.

5

Lock a realistic, ordered choice list by Aug 5

Rank institute-branch combinations by genuine preference — vacancy count should inform expectations, not replace preference order.

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Old NITs vs New NITs — Typical Vacancy Pattern

AspectOlder NITs (pre-2010)Newer NITs (post-2010)
Typical CSAB vacancyLow — few seats, mostly less-demanded branchesHigher — across most branches
ExamplesTrichy, Warangal, Surathkal, Calicut, Allahabad, RourkelaDelhi, Goa, Manipur, Puducherry, Sikkim, Uttarakhand, AP, Arunachal Pradesh
Cutoff drop vs JoSAAMinimal for popular branchesCan be meaningful, especially in later rounds
Best strategyTarget only if rank is genuinely competitiveGood option for rank-appropriate upgrades via CSAB

Patterns based on historical CSAB behavior across cycles — exact 2026 vacancy figures depend on live withdrawal and reporting data. Verify at csab.nic.in.

Tips for Targeting Vacant NIT Seats

  • Don't chase vacancy count alone. A branch you don't want at a discount rank is still a branch you don't want — list only genuinely acceptable combinations.
  • Newer NITs are worth serious consideration for a rank-appropriate upgrade — several have improved placement outcomes meaningfully in recent years.
  • Vacancy shifts between SR1 and SR2 — a seat unavailable in SR1 can reopen in SR2 if the SR1 allottee doesn't report.
  • Use the official seat matrix, not last year's numbers, since withdrawal volume changes every cycle.

Related Pages

SR1 Date ScheduleSR1 Result & Next StepsCSAB Seat Allotment OverviewCSAB Seat MatrixCSAB College PredictorIIIT Vacant SeatsGFTI Vacant Seats SR1

CSAB 2026 NIT Vacant Seats – FAQs

Common questions about NIT seat vacancy in CSAB 2026 SR1/SR2

1
Which NITs typically have the most vacant seats in CSAB 2026?
Newer NITs — NIT Delhi, NIT Goa, NIT Manipur, NIT Puducherry, NIT Sikkim, NIT Uttarakhand, NIT Andhra Pradesh, and NIT Arunachal Pradesh — historically carry proportionally more vacant seats into CSAB SR1/SR2 than the older, high-demand NITs like NIT Trichy, NIT Surathkal, NIT Warangal, or NIT Rourkela. This is largely a brand-perception and placement-record effect: candidates with a choice tend to fill older-NIT seats early in JoSAA itself, leaving newer NITs' seats to surface later, in CSAB.
2
Why do NIT seats become vacant going into CSAB SR1?
Three main reasons: (1) Round 5 non-reporting — candidates allotted a seat in JoSAA's later rounds sometimes don't complete physical reporting, and that seat lapses back into the vacant pool. (2) Withdrawals — candidates who accepted a JoSAA seat but later withdrew (commonly to try CSAB for a better NIT/branch, or because they secured an admission elsewhere) free up their seat. (3) Category/quota mismatches — a seat reserved for a specific category or state quota sometimes has no eligible claimant in JoSAA and rolls over as vacant.
3
How do I check institute-wise NIT vacancy for CSAB 2026?
CSAB registration closed on August 3, 2026. The SR1 result was declared on August 6, 2026, and the SR2 result — the final round of CSAB 2026 — was declared on August 12, 2026. Log in to csab.nic.in and look for the 'Vacancy Position' or 'Seat Matrix' link, which lists vacant seats institute-wise and branch-wise. Cross-check this against our CSAB college predictor rather than relying on last year's numbers, since the vacancy count shifts every cycle depending on how many candidates withdrew from JoSAA-allotted NIT seats.
4
Do vacant NIT seats in CSAB come with a rank cutoff drop compared to JoSAA?
Generally yes, especially for newer NITs and less-demanded branches — closing ranks in CSAB SR1/SR2 for these tend to be more relaxed than JoSAA's final round because the applicant pool is now restricted to candidates who didn't join a JoSAA seat. However, for high-demand branches (CSE, ECE) even at older NITs, competition in CSAB can still be intense since many strong candidates deliberately withdraw from a lower-preference JoSAA branch specifically to try for a better one via CSAB.
5
Is there a big variance in NIT vacancy between old and new NITs in 2026?
Yes, this variance is one of the most consistent patterns across CSAB cycles. Older NITs (the original 17-18 NITs formed pre-2010, like Trichy, Warangal, Surathkal, Calicut, Allahabad) usually show single-digit or low double-digit vacancies per branch by SR1, sometimes fewer. Newer NITs (established post-2010) can show vacancies running into dozens per branch, and non-circuit branches (like Civil, Metallurgical, Mining) at any NIT tend to have more vacant seats than CSE/ECE/Mechanical at the same institute.
6
Can CSAB vacancy numbers change between SR1 and SR2?
Yes. The vacant-seat count you see at SR1 registration is a snapshot; it shifts again for SR2 as SR1-allotted candidates who don't report or who float to another seat return seats to the pool. This is why CSAB retains your same locked choice list for SR2 rather than asking you to re-register — the system re-runs matching against the updated vacancy count automatically.
7
Should I only target NITs with high vacant-seat counts?
Not necessarily. A high vacancy count generally correlates with a more relaxed cutoff, but institute reputation, placement record, and branch relevance to your career goals matter more long-term than simply chasing whichever NIT shows the most open seats. Use the vacancy list to calibrate realistic expectations for your rank, but don't add an NIT-branch combination you wouldn't genuinely want to join purely because it looks 'easy' to get in CSAB.

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CSAB 2026 Round Dates

Registration opensJuly 28, 2026
Choice lockingAugust 5, 2026
SR1 reportingAugust 6–11, 2026
SR2 reportingAugust 12–17, 2026
→ Full CSAB 2026 schedule

Important Links

CSAB College PredictorNIT Seat AvailabilityIIIT Vacant SeatsGFTI Vacant Seats SR1CSAB Seat Matrix

Disclaimer

Vacancy patterns above are based on historical CSAB behavior across cycles. Exact 2026 institute-wise vacant seat counts are published on the final CSAB 2026 seat matrix on csab.nic.in — always verify there before finalizing choices.