Hi,

Yes ,  obc certificate should be issued by the competent authority . The sub caste should tally with the central list of OBC .OBC candidates  should  not belong  to creamy  layer .  The certificate must be issued by the district magistrate  /additional  magistrate/collector/ deputy  commissioner/additional  deputy commissioner/deputy collector/1st class stipendiary magistrete/ sub division  magistrate /taluka magistrate/ executive  magistrate /extra assistant commissioner/ revenue officer not below the rank of tehshildar .

All the best!