Check out this link to Chip Pearson's web site.
Scroll down to the D's, and you'll find several pages that deal with
handling duplicates.
http://www.cpearson.com/excel/topic.htm
--
HTH,
RD
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"Iftikhar" <(E-Mail Removed)> wrote in message
news

27E18CE-52A0-4EDA-A30C-(E-Mail Removed)...
> for a data set if the names and roll no are disordered how can we compare
> with original list?
>