200 KB is the most common ceiling on Indian government and university application portals — enough for a readable scan of one or two pages.
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It sits between "clearly readable" and "clearly degraded". A 200 KB single-page scan usually still reads fine; a five-page scan at 200 KB total starts losing small print.
Practical rule: one or two pages at 200 KB looks good. More than three pages, split first.
Do not compress a file you are about to modify. Fix the content first — rotate, crop, delete blank pages, merge — then compress once at the end.
Cropping is the most underrated step: a scan with 15% white margins on each side is spending a large share of its 200 KB budget on nothing.
The portal may be checking dimensions, DPI, colour mode, or page count rather than just size. Read the error text carefully; some forms demand grayscale or a minimum DPI.

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