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If your CBSE marks look wrong, you can't jump straight to re-evaluation. CBSE runs a fixed online sequence with short windows. Here is the process as CBSE's 2026 notices describe it, and how to decide which questions to challenge.
How does CBSE re-evaluation work after the result?
CBSE's post-result notice for Class X, 2026 sets out two stages.
Stage 1, scanned copy: you apply for a scanned copy of your evaluated answer book, which shows how each answer was marked.
Stage 2, verification of marks: you ask CBSE to check that every question was marked and that the totals were added and entered correctly.
Stage 2, re-evaluation: you ask CBSE to mark one or more full questions again, giving your reasons.
The same notice says only candidates who have obtained the scanned copy are eligible to apply for verification or re-evaluation. It also says re-evaluation covers a full question, never part of one, and only the theory paper.
For Class XII in 2026, CBSE called the first Stage 2 option verification of issues observed. Its 2 June 2026 press release lists missing pages, missing supplementary sheets, missing maps or graphs, blurred pages, the wrong answer book, and evaluation against a different question-paper set. The press release also says you log in with your Aadhaar number on the CBSE post-result portal.
How much does it cost, and when do you apply?
Fees and dates change with each notice, so check the current one on CBSE's examination circulars page on result day. For the 2026 Class XII main exams, the 17 May 2026 notice cut the scanned-copy fee to Rs 100, verification of issues to Rs 100 and re-evaluation to Rs 25 per question, and said the fee would be refunded if marks increased. The Class X notice of 5 August 2026 listed Rs 300 per subject for a scanned copy, Rs 300 per answer book for verification and Rs 100 per question for re-evaluation.
You get one application per step, so put every subject in it before you pay. In 2026 the Class X Stage 2 window opened 7 days after the scanned-copy window closed and stayed open for 4 days, so read your copy the day it arrives.
What should you check on the scanned copy?
CBSE attaches its own checklist to the Class X notice. Check that:
Every supplementary sheet you used is included.
Every question you answered has been marked.
The step marks in the margin of each answer add up to the mark written for it.
Each answer's mark has been copied correctly into the table on the cover page.
Each row of that table, and the final column, is added correctly.
The cover-page total matches the marks on your result or DigiLocker.
A no on any of these is something to note down and report to CBSE under verification of marks.
Which questions should you challenge in re-evaluation?
As the notice advises, download the question paper and marking scheme for your exact set from the CBSE website. Mark your answer book honestly against the scheme, then test each question:
Can you point to the exact value point in the marking scheme that your answer contains? If not, skip it.
Is the gap at least one full mark, not a half you are hoping for?
Is the rest of the answer solid? The whole question is re-marked, so a weak part could cost you.
Would the gain change something real, such as a pass, a cut-off or a subject requirement?
Challenge a question only if all four are yes. Worked example: in a 5-mark science answer you got 2. The scheme gives 1 mark each for five points, and you can find four of them clearly written on page 9. That is a strong challenge. A 3-mark answer where you got 2 for a vaguely worded definition is not.
What should you write in the reason box?
CBSE asks for reasons that can be easily understood. Use one line per question and follow this pattern:
Q5, page 9: the marking scheme gives 1 mark each for points (a) to (e). My answer states (a), (b), (d) and (e). I was awarded 2 and request 4.
Stick to the question, page, value points and marks.
What if the marks don't change?
The Class X notice says the outcome is final. It also says you can get a scanned copy under the RTI Act, but you cannot use RTI to ask for re-evaluation. If you still need a better mark, read how CBSE supplementary exams work, then use this six-week compartment exam plan. Our CBSE result day checklist covers what to save first.
If your scanned copy shows lost step marks on numericals, the Fermi Problem Library has a step-by-step solver that explains the reasoning, so you can see which step you skipped.
If your result is making you badly anxious, talk to someone you trust. You can also call Tele MANAS, the Ministry of Health's mental-health helpline, on 14416.
