This is the first time that 'Exercise IBSAMAR' is being conducted in Indian waters and it will conclude on February 29. All previous editions were held off South Africa, Navy said in a release.
'All threats related to the Rio 2016 Games are being meticulously investigated, particularly those related to terrorism.'
Brazil held 10 presumed Islamist militants in isolation cells at a maximum security jail on Friday as police combed their computers and mobile phones for information about possible threats to next month's Olympics in Rio de Janeiro.