Yes. Along with launching your local version of cpan, you also need to launch your local version of perl. Which is why I recommended adjusting $ENV{PATH} so your local Perl gets found first. The error message explains that well:

Perl lib version (v5.8.8) doesn't match executable version (v5.8.4)
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You're running perl5.8.4 but you have set up the Perl libraries to point to those of 5.8.8. To fix this, you need to launch the 5.8.8 Perl as well. Do:

/tools/sol/perl/bin/perl Makefile.PL PREFIX=/Perl_Modules
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instead of using

perl Makefile.PL PREFIX=/Perl_Modules
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"I recommended adjusting $ENV{PATH} so your local Perl gets found first. The error message explains that well:"
Sorry, I dont know how to do it
Could you please help me...Thanks for your support

This is not really a Perl issue. You should ask your system administrator on how to best do that in your environment.

A quick fix would likely be to execute:

export PATH=/tools/sol/perl/bin;$PATH
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in your shell session or to add a line like that to your .profile. Or you could actually read what I gave you as a solution in my first reply instead of blindly changing things around and praying for the best.