Regarding passport

Dear all ,

I had changed my sirname from Suryavanshi to Patil when i was in middle of 10th std.

sirname on my all document is Patil like on LC, BOARD CERTIFICATE AND OTHER !

my question is, is it neccessory  to show my change of sir name gazzete copy or other regarding documents?? i dont have that gazzete copy.

what to do ??

Thank you.

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