$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'
                                                      }
                                                     ]
                                                   }
                                                 }
                                              ]
                                             }
                                           };