Documents for QlikView related information.
Explained the function interval match with example. The document also shows alternatives for interval match.
Nice job on this, Lohit.
Suggestion: You can streamline step 2 in the first section by not creating the default column names. Simply double click on the default names, F1, F2, etc., in the Inline Data Wizard and replace them with the actual column names instead of typing your actual column names below.