Exam Prep

OMR Mistakes That Cost Sainik School Seats: 7 Errors to Fix in 2 Weeks

Sep 28, 2026

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One Bubble Can Cost a Seat

AISSEE is an OMR exam — and silly bubbling errors steal marks from bright students every January. Here are the 7 worst offenders.

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Bubble As You Go

Never save bubbling for the last 15 minutes — the bell can come early. Solve one, darken one. Or batch in blocks of 20–25, never more.

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The Number Shift

Skip question 47, mark 48's answer in 47's row — and every answer after it scores zero. Keep a finger on the row; re-match every 25 questions.

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Darken Every Circle Fully

Half-shaded or tick-marked bubbles may scan as blank. Fill edge to edge with a smooth blue or black ballpoint — practise on real OMR sheets.

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No Blanks — Ever

There is no negative marking: a blank scores the same as a wrong answer — zero. Attempt all 125 (Class 6) or 150 (Class 9) questions.

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The 3-Minute Final Check

Last minutes = verification, not new questions. Roll number, number alignment, skipped questions attempted, full bubbles, no double marks.

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Train It in 2 Weeks

10–15 mocks on real OMR sheets, strictly timed. When your knowledge score equals your OMR score three times in a row, the risk is gone.

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