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Pass multiple values from spring form jsp to spring controller on submit

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Eclipse IDE
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I've a table which has multiple columns as in my database table. Few of the columns are editable and the values entered by the user should be updated back in the database on click of submit. For this Ive a foreach loop with value as HashMap of list of bean.
Below is my foreach loop:

I'm iterating through a map called feeApprovalByFundId which is Map<String,List<MyBaseBean>>. How do I get the updated values of the columns like checkbox, input box? I'm able to get in a String or String array but I won't know to which key was that mapped to. (Eg. Fund1 will have 10 fees - I will have under one hashmap key).
I tried iterating like this :

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