It appears that the DoPT (Department of Personnel & Training) website as well as the NCBC (National Commission for Backward Classes) website do not contain up to date information on the creamy layer.
The relevant information is available here on these websites that may be helpful to you in this regard:
Also see this recent news report as per which the Government had expanded the ambit of ‘creamy layer’ to include certain posts in PSUs and public sector financial institutions, thus barring these officials and their kin from claiming reservation benefits under the OBC category.
Since these guidelines keep changing from time to time, and since up to date information is not available online, it is advisable for you to contact the concerned authorities (may be by RTI application) to get clarification about your status.
Dr. Ashok Dhamija is a New Delhi based Supreme Court Advocate and author of law books. Read more about him by clicking here. List of his Forum Replies. List of his other articles. List of his Quora Answers. List of his YouTube Videos.