During the mock Operation "Sagar Kavach," which was jointly conducted by the Coastal Security Group (CSG) and police, searches were conducted in vehicles at vital junctions of the city, a police release said.
Special teams that were deployed, "arrested" 11 CSG personnel, who attempted to gain entry into the city from various locations including sea, by posing as terrorists, it said.
As part of the exercise, the 'arrested' were then produced before the local police and later let off, the release added.