Cut-offs, normalisation and tie-breaking
Kerala PSC publishes how ranks are assigned — by descending order of total marks in the written test and interview — and how ties are broken, by descending age and then alphabetically. It does not publish a normalisation or equating formula anywhere, and most OMR examinations are held as one simultaneous sitting using different alpha-code versions of the same paper, which is precisely how the need for cross-session normalisation is avoided.
Steps
How rank is assigned
The Commission states that ranks are assigned based on the descending order of total marks secured in the written test and interview by each candidate. The weightage between the two is set per post in that post’s notification, not by one uniform rule.
How a tie is broken
When marks are equal, rank positions are assigned by descending age — the older candidate ranks higher. If age is also identical, names are arranged alphabetically.
Why alpha codes exist
An OMR examination is issued in versions marked A, B, C and D. They are different orderings of the same paper, sat at the same time. There is no separate session to normalise against.
Normalisation is not published
We could find no normalisation, equating or standardisation formula in the Commission’s instructions, its General Conditions or its published FAQ. Specific formulas circulate online, including Z-score claims. None of them trace to a Commission document, and we will not reproduce them.
How cut-offs are set is not published either
The Commission publishes the resulting cut-off for a selection — we index those official figures at /cutoffs/ — but not the method by which the threshold is chosen. A cut-off is an outcome you can read, not a formula you can predict.
Each post has its own list and its own cut-off
Where several posts share a common preliminary examination, the Commission publishes a separate short list per category number. Do not assume a shared threshold across posts — see the published short lists.
Frequently asked questions
Does Kerala PSC normalise marks across sessions?#
No normalisation or equating formula is published anywhere in the Commission’s material we examined. OMR exams are generally a single simultaneous sitting with alpha-code paper versions, which removes the cross-session problem. Treat any specific formula you find online as unsourced.
What happens if two candidates score exactly the same?#
The older candidate ranks higher. If the dates of birth are also identical, names are arranged alphabetically. This is the Commission’s published rule.
If a question is deleted from the answer key, does everyone get the mark?#
Kerala PSC does not publish how marks for a deleted question are handled — whether they are awarded to all or the total is reduced. Both claims circulate. Neither is sourced, so we do not state one.
Official sources
- Kerala PSC — Doubts and Facts — https://www.keralapsc.gov.in/doubts-and-facts
- Kerala PSC — Special Instructions to Candidates appearing for Objective Type (OMR Valuation) Test — https://www.keralapsc.gov.in/sites/default/files/inline-files/spl_omr_eng.pdf
- Kerala PSC — General Conditions — https://www.keralapsc.gov.in/sites/default/files/inline-files/general_conditions_added_latest.pdf
- Kerala PSC — Short lists — https://www.keralapsc.gov.in/shortlists
Steps last verified against official Kerala PSC sources on 25 August 2026.
Where the Commission has not published a rule, this guide says so rather than guessing. Anything marked “not officially published” is exactly that.
This is an independent guide for aspirants, written from the Commission’s own published instructions. Portal screens and rules change — always confirm on keralapsc.gov.in and in your own Thulasi profile before acting. PSC Mastery is not affiliated with the Kerala Public Service Commission.