Mumbai, Nov 11 (PTI) 'Sea Vigil-26', the fifth edition of a pan-India coastal defence exercise, began on Wednesday, officials. India launches Sea Vigil 26, a massive pan-India coastal defence exercise spanning its entire coastline and maritime zones. Sea Vigil-26 will be conducted in two phases, with the Coastal Defence and Security Readiness Evaluation (CDSRE) scheduled from November 11 to 17, followed by the Sea Phase on November 18 and 19.