obc cast certificate

i am in 12th std.i want to get my obc cast certificate but for that some requirements i try to complete this requirements.my mother give divorce to my father .i live with my mother.today i need my fathers educational certificate for getting my obc castcertificate,but my father do not give me that certificate.so i want to know another way to get my obc cast certificate.

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how to make cast OBC

how to make cast OBC sertifacet

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