Exhibit I

Description

Communication issued to NYSE dated 20^th April 2006 intimating about the Book Closure of the Bank for the purpose of Annual General Meeting and for facilitating payment of dividend, as recommended by the Board of Directors of the Bank.

20^th April, 2006

New York Stock Exchange
New York
USA

Dear Sir,

Re: Book Closure

We wish to inform you that the Register of Members and the Share Transfer Books of the Bank will remain closed from Saturday, 13th May 2006 to Tuesday, 30th May 2006 (both days inclusive) for the purpose of the Annual General Meeting of the Bank and for facilitating payment of dividend.

This is for your information and records.

Thanking you,
For HDFC Bank Limited

Sanjay Dongre
Vice President (Legal) &
Company Secretary