forging of date of birth

Mere DOB in the different documents need not be taken seriously.  But, with such knowledge of the original document, filing a fake document to avail benefits with malicious motives amounts to Cheating.

Show all the documents to concerned authorities

or

consult a local prudentl lawyer for better appreciation of facts, professional advise and necessary proceeding.

Which are these different documents and why the different entries? What is the context for this query>