The answer is not a simple yes or no. It lies in the intersection of administrative rules and the ethical concept of "conflict of interest." Here is a detailed feature exploring the nuances of this bureaucratic grey area.
Even if a Gazetted Officer decides to attest their child’s mark sheet, the receiving authority (a university, a bank, or an embassy) holds the final right to reject it. The answer is not a simple yes or no
The Ink and the Blood: Can a Gazetted Officer Attest Documents for Family Members? the receiving authority (a university
The officer must always verify the photocopy against the original document. Attesting without seeing the original is a violation of duty. The answer is not a simple yes or no