FORM 8-K

                                 CURRENT REPORT
     Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934




Date of Report (Date of earliest event reported)        April 5, 2006
                                                --------------------------------

                                Tower Group, Inc.
- --------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)

           Delaware                   000-50990                  13-3894120
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 (State or other jurisdiction        (Commission                (IRS Employer
       or incorporation)             File Number)            Identification No.)

         120 Broadway, 14th Floor, New York, NY                    10271
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        (Address of principal executive offices)                 (Zip Code)

Registrant's telephone number, including area code      (212) 655-2000
                                                  ------------------------------

- --------------------------------------------------------------------------------
         (Former name or former address, if changed since last report.)




Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)

[ ] Soliciting  material  pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.133-4(c))





Item 5.02 Departure of Director
          ---------------------

     On April 4, 2006 Gregory T. Doyle resigned from Tower Group Inc.'s Board to
join CastlePoint's Board.


Item 8.01 Other Events
          ------------

     On April 5, 2006 Tower  Group,  Inc.  announced  that it has entered into a
strategic  relationship  with  CastlePoint  Holdings,  LTD.,  a Bermuda  holding
company that is has sponsored.











                                   SIGNATURES


     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.




                                                       Tower Group, Inc.
                                                 -------------------------------
                                                          (Registrant)

Date    April 5, 2006
     -------------------
                                                    /s/ Steven G. Fauth
                                                 -------------------------------
                                                          (Signature)*
                                                   Steven G. Fauth
                                                   Secretary and General Counsel


*Print name and title of the signing officer under his signature.