August 24, 2012

SECURITIES & EXCHANGE COMMISSION
450 Fifth Street, NW
Washington, DC 20549

Attn.: Document Control



RE:	American Depositary Shares
evidenced by The American Depositary
Receipt of
BTS Group Holdings Public Company
Limited
 (File No. 333180561)



Ladies and Gentlemen:

Pursuant to Rule 424(b)(3) under the
Securities Act of 1933, as amended, on
behalf of The Bank of New York Mellon, as
Depositary for securities against which
American Depositary Receipts are to be
issued, we attach a copy of the new
prospectus (Prospectus) reflecting the change
in ratio from 1 ADS : 500 Shares to 1 ADS :
100 Shares.

As required by Rule 424(e), the upper right
hand corner of the Prospectus cover page has
a reference to Rule 424(b)(3) and to the file
number of the registration statement to which
the Prospectus relates.

Pursuant to Section III B of the General
Instructions to the Form F6 Registration
Statement, the Prospectus consists of the
ADR certificate for BTS Group Holdings
Public Company Limited.

The Prospectus has been revised to reflect the
new ratio:

(One (1) American Depositary Share
represents Onehundred (100) Shares)


Please contact me with any questions or
comments at 212 8152122.


Sandra Bruno
Senior Associate
The Bank of New York Mellon  ADR
Division

Encl.

CC: Paul Dudek, Esq. (Office of International
Corporate Finance)






Depositary Receipts
101 Barclay Street, 22nd Floor West, New York 10286