According to http://srwww.records.nsw.gov.au/indexes/searchform.aspx?id=4...
a ship named Hyderabad made 6 journys to Sydney Oct 1843 - Sep 1849 . No ref to any ship named Hydrabad

Have you had a look at http://members.iinet.net.au/~perthdps/convicts/shipsNI.html ??
May help ?


bye

MargM