Justice M Sathyanarayanan reserved orders after hearing arguments from the petitioners and the government side.
N R Elango, senior Counsel for AdvanFort, the firm which owns the detained ship M.V.Seaman Guard Ohio, rejected the charge that the anti-piracy vessel violated Indian maritime boundary and alleged it was 'lured into the Tuticorin port by treachery' on October 12.
The 33 crew members, arrested and currently under judicial custody for about 40 days, did not have the contact, resource or clout to influence the prosecution witnesses who are officials of government agencies, Elango submitted while responding to public prosecutor opposing granting of bail.
The Government advocate said three persons were yet to be arrested. The investigation that was in crucial stage and was expected to be completed in a week time.