help needed in template toolkit module

Hi,
I have XML file with more number of university's like this as shown below
<university>
<name>svu</name>
 <location>ravru</location>
 <branch>
   <electronics>
     <student name="xxx" number="12">
     <semester number="1"subjects="7" rank="2"/>
     </student>
     <student name="xxx" number="15">
     <semester number="1" subjects="7" rank="10"/>
     <semester number="2" subjects="4" rank="1"/>
      </student>
       <student name="xxx" number="16">
       <semester number="1"subjects="7" rank="2"/>
      <semester number="2"subjects="4" rank="2"/>
       </student>
    </electronics>
 </branch>
 </university>
 <university>
 <name>sku</name>
  <location>ANTP</location>
   <branch>
     <electronics>
       <student name="xxx" number="12">
     <semester number="3"subjects="6" rank="20"/>
     </student>
       <student name="xxx" number="16">
       <semester number="1"subjects="9" rank="12"/>
      <semester number="2"subjects="4" rank="2"/>
       </student>
        </section>
    </electronics>
  </branch>
 </university>

I used XML::Simple to store this data into one hash data structure variable
$data and that information is like this

$var1={
     university=>{
          'name'=>'svu',
           'location'=>'ravru',
            'branch'=>{
                     'electronics'=>{
                                'student'=>[
                                         {
                                        'name'=>'xxx',
                                         'number'=>'12',
                                           'semester'=>{
                                                  'Number'=>'1',
                                                  'subjects'=>'7',
                                                   'rank'=>'1'
                                                  }
                                               },
                                       {
                                        'name'=>'xxx',
                                         'number'=>'15',
                                           'semester'=>[
                                                {
                                               'number'=>'1',
                                                'subjects'=>'7',
                                                 'rank'=>'10'
                                                  },
                                                 {
                                                'number'=>'1',
                                                'subjects'=>'7',
                                                 'rank'=>'1'
                                                  }
                                                 ]
                                               },
                                              {
                                        'name'=>'xxx',
                                         'number'=>'16',
                                           'semester'=>[
                                                {
                                               'number'=>'1',
                                                'subjects'=>'7',
                                                 'rank'=>'2'
                                                  },
                                                 {
                                                'number'=>'2',
                                                'subjects'=>'4',
                                                 'rank'=>'2'
                                                  }
                                                 ]
                                               }
                                             }
                                          ]
                                         }
                                       };
               university=>{
                     'name'=>'sku',
                    'location'=>'ANTP',
                      'branch'=>{
                            'electronics'=>{
                                      'student'=>[
                                                {
                                              'name'=>'xxx',
                                               'number'=>'12',
                                              'semester'=>{
                                                      'Number'=>'3',
                                                        'subjects'=>'6',
                                                      'rank'=>'20'
                                                  }
                                               },
                                       {
                                        'name'=>'xxx',
                                         'number'=>'6',
                                           'semester'=>[
                                                {
                                               'number'=>'1',
                                                'subjects'=>'9',
                                                 'rank'=>'12'
                                                  },
                                                 {
                                                'number'=>'2',
                                                'subjects'=>'4',
                                                 'rank'=>'2'
                                                  }
                                                 ]
                                               }
                                             }
                                          ]
                                         }
                                       };

by using template tool kit and pdflatex compiler I am generating PDF file ,
I written like this as shown below.

my $template = Template->new();
my $filename = 'output.tex';
$template->process(\*DATA, $data, $filename)
    || die "Template process failed: ", $template->error(), "\n";

system( "pdflatex $filename" );
__DATA__
\documentclass[a4paper,leqno,twoside]{article}
\begin{document}

[% FOREACH st IN university %]
[% st.name %]
[%st.location%]
studentdata:
[% FOREACH student IN st.branch.electronics.student %]
Component type: [%+ student.name +%][%+ student.number +%]
       [% FOREACH semester IN student.semester %]
   [%+ semester.number +%]
   [%+ semester.subjects +%]
   [%+  semester.rank +%]
     [% END %]
 [% END %]
[% END %]

\end{document}

But I getting Different output rather than what I want.
After executing this script I am getting output when I have three or more
students in electronics and two or more semesters for each student then
only I am getting. otherwise it does print any thing just printing
studentdata: three times . for example if I have one student with
one semester in university at that situation it doesn't give any thing it
printing like this
 studentdata:
studentdata:
studentdata:

like as above ,I identified the problem is I have three attributes in
student element "name""number" and "semester" like this so it printing
three times If I add one more attribute in between name and number in
student element it printing four times. It means something wrong with
second for loop but I cant rectify it. I tried alot . how can I rectify and
how can I print data like this in pdf.

name:
svu
location:
ravru
student data:
      student name=xxx  number=12
     semester number=1 subjects=7 rank=2
       student name=xxx  number=15
    semester number=1 subjects=7 rank=10
    semester number=2 subjects=4 rank=1
 student name=xxx  number=16
    semester number=1 subjects=7 rank=2
    semester number=2 subjects=4 rank=2

I want to print like this can any body help me.

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