This document contains a bio data summary for Dipankar Chakrabarty, a radio officer born in 1970 in Kolkata, India. It includes his personal details, qualifications, certifications, seafaring experience of over 24 years working as a radio officer on various merchant vessels of different companies, and that his last drawn salary was $100 per day. It is stated he is available immediately and has experience working on offshore vessels like DSVs and rigs.