January 26, 2006 Mr. Kam Shah Chief Executive and Financial Officer Bontan Corporation Inc. 47 Avenue Road, Suite 200 Toronto, Ontario M5R 2G3 Re: Bontan Corporation Inc. Form 20-F for Fiscal Year Ended March 31, 2004 Filed August 30, 2004 Form 20-F/A for Fiscal Year Ended March 31, 2005 Filed November 29, 2005 File No. 0-30314 Dear Mr. Shah: We have completed our review of your Forms 20-F and related filings and do not, at this time, have any further comments. Sincerely, Jill S. Davis Branch Chief ?? ?? ?? ?? Mr./Ms. Company Name Date, 2005 page 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION 100 F Street, NE WASHINGTON, D.C. 20549-7010 DIVISION OF CORPORATION FINANCE MAIL STOP 7010