Change the document to a Certificate of Sea Service. Title at top: "CERTIFICATE OF SEA SERVICE". Add date "28-09-2026" on the left side of the title. Replace all body text with: "To whom it may concern. This is to certify that Mr. Nagendra Kumar Somasundaran holder of passport No U4845174 has worked in our organisation as Deck foreman at Barge ED 101 in Mumbai offshore from 15-03-2026 to 11-09-2026. During the time he was actively in all our work fields we have found the above person capable with deep sense of dedication and commitment to any work assigned to him. He is hard working and has excellent manners." Keep the same document style, letterhead, and signature area at the bottom.