Dayakar Reddy, circle inspector, CID wing, Karimnagar was booked under relevant sections of IPC on the basis of complaint lodged by a woman, Deputy Superintendent of Police J Rama Rao said.
In the complaint, the woman alleged that the officer used to send her obscene messages on social media websites.
"We are verifying the messages received and sent. Reddy has not been arrested yet. Once the offence is established, we will arrest him," Rao said.