Need right student name from 1 million indexed queries

I have indexed 15 years data that has 1 million indexed queries, which has students information like name, date of birth, address. If I tried to parse the report i.e pdf of the student its show duplicates like multiple student name because of same dob. I have used students last name and dob in must query.

Desired ouput

Appropriate student name details alone should be append in excel/db

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