Investigation into the findings of border crossings and VMS off in respect of the High Seas fishing operations and instituting legal proceedings against them, and also to introduce a computer related automatically marking scheme for identifying and reporting risk vessels highly violating laws at High Sea, and depending on the said marks, information of high risk vessels is provided to the relevant division.In addition to these, another main task of the Investigation Sub Unit of this division is that of the enforcement of acts like suspension of operational licences,warnings, directing for mediation/administrative fines etc.