CSAB College Predictor for OBC/SC/ST/EWS

A generic, category-agnostic college predictor can be misleading for reserved-category candidates because closing ranks vary dramatically across categories for the exact same institute-branch seat. A General category candidate and an OBC-NCL candidate looking at the same NIT CSE seat are, in effect, looking at two entirely different competitive pools with two entirely different closing ranks — often by a wide margin. Using a single, undifferentiated cutoff figure without adjusting for category can cause a reserved-category candidate to either underestimate their real chances (by comparing their category rank against a General cutoff) or overestimate them (by comparing a favorable category rank against the wrong category's historical data).

This matters even more in CSAB specifically, because CSAB deals with the residual seats left after JoSAA, and the category-wise dynamics of "leftover" seats can differ from the dynamics of the original seat pool. Certain categories may have proportionally more or fewer seats remaining depending on how allotment and acceptance patterns played out during JoSAA's rounds for that particular reservation category. A category-wise predictor accounts for this by applying category-specific historical CSAB closing rank data rather than a blended, category-blind figure.

JEE Main 2026 generates multiple ranks for each candidate: a Common Rank List (CRL) rank and separate category ranks for OBC-NCL, SC, ST, and EWS candidates. In CSAB 2026:

• General seats use CRL rank exclusively.
• OBC-NCL seats use OBC-NCL category rank. Candidates with OBC-NCL category rank below the closing rank for OBC-NCL seats qualify, even if their CRL rank is much higher.
• SC/ST seats use SC/ST category rank respectively.
• EWS seats use EWS rank. EWS closing ranks are close to general CRL ranks since EWS candidates technically fall in the unreserved pool.

Our category-wise predictor automatically selects the correct rank type based on your category selection and compares it against the appropriate CSAB 2025 closing ranks for that category.

Beyond category reservation, NITs additionally split seats by home state and other state quota — roughly half of an NIT's seats are reserved for candidates who completed their Class 12 schooling in that state, with the remaining half open to candidates from anywhere in the country. This quota system operates independently within each reservation category, meaning an OBC-NCL candidate from an NIT's home state competes in a smaller, generally less competitive OBC-NCL home-state pool, while an OBC-NCL candidate from outside that state competes in the OBC-NCL other-state pool. The result is that a single institute-branch-category combination can actually have up to four distinct closing ranks once you factor in home state and other state splits alongside category.

When using any category-wise predictor, always double-check whether the displayed cutoff reflects your specific state relationship to the institute in question, since conflating home-state and other-state figures for your category is one of the more common sources of prediction error among first-time CSAB applicants.

It also helps to remember that home state status is generally determined by where you completed Class 11 and 12, not by your permanent address or your parents' domicile — so candidates who moved states for schooling should verify carefully which NITs count as their home state institute before relying on home-state cutoff figures in their planning. This distinction can meaningfully change your predicted options, so it is worth confirming early rather than assuming based on your family's home address.