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If you need OBC/SC/ST caste certificate then you can apply online for this. After a certain time certificate will be ready to deliver in circle office. But you need submit some documents for take this certificate.
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Here is list of those documents
(1) Copy of Voter ID card
(2) Copy of land deed copy
(3) Self affidavits of caste by court.
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In different states the required documents may be vary.
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