question about template toolkit .

Hi, I am struggling with template toolkit. My problem is I have xml file and
using XML::simple perl module I created hash data structure, by using
template process and pdf latex I am printing xml data into pdf output file.
but every thing is working I am not able to get some elements

 $var1={
         university=>{
              'name'=>'svu',
               'location'=>'ravru',
                'branch'=>{
                         'electronics'=>{
                                    'section'=>[
                                             {
                                            'name'=>'xxx',
                                             'number'=>'12',
                                               'sem'=>[
                                                    {
                                                   'semister'=>'1',
                                                    'subjects'=>'7',
                                                     'rank'=>'1'
                                                      },
                                                     {
                                                    'semister'=>'2',
                                                    'subjects'=>'4',
                                                     'rank'=>'1'
                                                      }
                                                     ]
                                                   },
                                                 {
                                            'name'=>'xxx',
                                             'number'=>'15',
                                               'sem'=>[
                                                    {
                                                   'semister'=>'1',
                                                    'subjects'=>'7',
                                                     'rank'=>'10'
                                                      },
                                                     {
                                                    'semister'=>'1',
                                                    'subjects'=>'7',
                                                     'rank'=>'1'
                                                      }
                                                     ]
                                                   },
                                                  {
                                            'name'=>'xxx',
                                             'number'=>'16',
                                               'sem'=>[
                                                    {
                                                   'semister'=>'1',
                                                    'subjects'=>'7',
                                                     'rank'=>'2'
                                                      },
                                                     {
                                                    'semister'=>'2',
                                                    'subjects'=>'4',
                                                     'rank'=>'2'
                                                      }
                                                     ]
                                                   }
                                                 }
                                              ]
                                             }
                                           };
Can anybody help me how to iterate loop to get this values and I am using
FOREACH loop to get all university's information. and I need to use for loop
inside for loop to get this type of information. Is it possible or is there
any other way to get this type of information.

thanks in advance,
verendra.

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