Yes it is competent officer for neet also

Hello, Hope you are doing well!

Yes Circle officer is competent to issue OBC/SC/ST caste certificate.

There are other Competent Authority also who can issue of caste certificate like District Magistrate/ Addl. Distt. Magistrate/ Collector/ Deputy Commissioner/ Addl. Dy. Commissioner/ Dy. Collector/ First Class Stipendiary Magistrate/Sub- Division Magistrate / Taluka Magistrate/ Executive Magistrate/ Extra Assistant Commissioner/ Chief Presidency Magistrate/ Additional Chief Presidency Magistrate/Presidency Magistrate/ Revenue Officer not below the rank of Tahsildar/ Sub Divisional Officer of the area where the candidate and/ or his/ her family normally resides