Try sprinkling lots of "print Dumper" statements to see what you really have in that structure: 
print Dumper ( $xst->{cmts}{STBDSG}{dsg} );
print Dumper ( $xst->{cmts}{STBDSG}{dsg}[0] );
print Dumper ( $xst->{cmts}{STBDSG}{dsg}[0]{tag1} );

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In reply to Re^5: Problem in reading parsed xml using XML::Simple by tangent
in thread Problem in reading parsed xml using XML::Simple by Perl300

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