Port Blair, May 14: The three services carried out a joint exercise at Teressa Island in the Central Nicobar group to boost their coordination in dealing with major security challenges facing the country, official sources said Monday. 

The basic aim of the exercise, which took place on Thursday, was to showcase joint operational capability of the three forces and further increase operational coordination, they said. The joint exercises included a number of combat drills that were carried out during the exercise, sources said.