A sting operation in the Marabella area on Sunday afternoon, resulted in the detention of a Barrackpore woman, who has been impersonating a police inspector.
The 46-year-old woman, who has been known to conduct her own traffic exercises, was found by officers of the Marabella police and investigators from the Fraud Squad.
Police said she claimed to be a member of a secret special operations unit and solicited money from people with the promise of providing them with a clean certificate of good character.
She was also wanted for soliciting money from businesses and had been in hiding.
The woman is expected to be interviewed by investigators for a number of offences.