Excel Format:

ID  Name  Degree  CLZ
1   Teja   ph.d   nit
           ph.d   iit
2   Ravi   B.tech  iir

output:

$var1 ='1';
$var2=[
       { clz=>nit,
         degree=>ph.d,
         name=>teja
}
]
$var1='1'
$var2=[
     { clz=>iit,
       degree=>ph.d,
       name=>teja
     },
   $var2->[0](Why this is coming)

];

$var1='2'
$var2=[
     { clz=>iir,
       degree=>b.tech,
       name=>ravi.
     },
     $var2->[0];
]
##(What is this additional block)
$Var3='2';
$Var4=[
$var2->[0]
];