Last verified: 1 October 2026. Every rule below marked CONFIRMED comes from the AISSEE information bulletin’s appendices (certificate formats, issuing authorities, OBC-NCL conditions), corroborated across two independent bulletin copies. The AISSEE 2027 bulletin itself is not yet released — these are the standing rules, and you must re-check them against the 2027 bulletin the day it drops.
Half the reservation battle in AISSEE is won on exam day. The other half is won at a government office — the one that issues your child’s caste certificate. Every year, children who clear the written test lose reserved seats at the document-verification stage because their certificate is in the wrong format, from the wrong authority, or from the wrong list. With the AISSEE 2027 form expected this October, this is the week to get the paperwork right.

First, know what you are claiming. In the 33 established Sainik Schools (CONFIRMED, AISSAC SOP):
| Quota | Share of seats |
|---|---|
| Home state/UT | 67% |
| Other states/UTs | 33% |
| SC (within each quota) | 15% |
| ST (within each quota) | 7.5% |
| OBC-NCL (within each quota) | 27% |
| Defence wards (of the remaining 50.5%) | 25% |
| Girls, Class 6 (10% or 10 seats, whichever is more) | across categories |
Your caste certificate is the key to the SC, ST and OBC-NCL rows. Pick the wrong row on the form, and no certificate can save the claim later.
The bulletin’s appendix is blunt about two things: the format and the issuer.
Format. The certificate must match the prescribed format in the bulletin’s appendix — for OBC-NCL, the certificate must also mention the details of the Government of India resolution in which your community is listed as OBC. A caste certificate in some other format (a letter from a village head, an old-format state certificate) does not count.
Issuing authority. Only these officers can issue it:
If your certificate is signed by anyone below this level, get it re-issued. Do not discover this at the medical stage.
This is where most claims die, so read it twice.
AISSEE recognises only the central OBC list maintained by the National Commission for Backward Classes (ncbc.nic.in). The bulletin states it plainly: OBC-NCL status is decided by the central list as on the first day of the month in which the online admission-form process commences — and candidates on a state OBC list who are not on the central list must not choose OBC-NCL on the form.
Two more conditions ride along:
Practical move for October: open ncbc.nic.in today, search your community and your state, and screenshot the listing. If it is not there, select General on the AISSEE form — a wrong OBC claim that collapses at verification costs you the seat, not just the quota.
SC and ST certificates follow the same format-and-issuer rules. One detail parents miss: the certificate should trace to the Presidential/constitutional orders for your community — the issuing officer handles this, but if your certificate is very old or was issued in a different state than your domicile, get a fresh one issued in your current district. Mismatched state paperwork is a classic verification-stage argument you do not want.
The 25% defence-ward reservation (of the seats remaining after SC/ST/OBC-NCL) covers wards of serving personnel and ex-servicemen of the Army, Air Force and Navy. This is not claimed with a caste certificate at all — you need service proof in the bulletin’s prescribed format. Records offices and Zila Sainik Boards take weeks; start now, not in January.
One more thing: certificates are not uploaded and approved during the AISSEE form — the form takes your word for it, and the checking happens when a seat is on the line. That is precisely why a shaky certificate is so dangerous: you find out it is invalid at the worst possible moment. Pair this with the domicile certificate guide so both identity documents are bulletproof before October ends.
Which caste certificate format does AISSEE accept? The certificate must follow the format in the AISSEE information bulletin’s appendix and be issued by a competent authority — District Magistrate, Collector, Sub-Divisional Magistrate, Tehsildar-level revenue officer, or equivalent. Certificates from any other source are not accepted.
My caste is OBC in my state list. Can I claim OBC-NCL in AISSEE 2027? Only if your community is also on the central OBC list maintained by the National Commission for Backward Classes (ncbc.nic.in) as on the first day of the month the AISSEE form process begins. State-list-only OBC candidates must not select OBC-NCL — the bulletin says so explicitly.
Do I need a separate declaration for OBC-NCL? Yes. The AISSEE bulletin requires OBC-NCL candidates to submit a signed declaration/undertaking in the bulletin’s Appendix VIII format, confirming non-creamy-layer status. An unsigned declaration is rejected.
When should I get the caste certificate made for AISSEE 2027? Now — in October, before the form window opens. Certificates are verified at the medical/admission stage, and a wrong or missing certificate means losing the reserved seat even with a qualifying score.
What documents do defence-ward candidates need for the quota? Wards of serving and ex-servicemen of the Army, Air Force and Navy get 25% of the remaining seats after the SC/ST/OBC-NCL distribution. You will need service proof in the format the bulletin prescribes — get it from the records office early, as these take time.
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