BSNL Website Hacked??

In BSNL home page https://www.bsnl.co.in/  nothing changes you are going to see, but one page i.e., at https://bsnl.co.in/tender1/ you will see the web page which is saying it is has been hacked by Pakistani hacker.
I think hacker managed to access the bsnl server and he kept one html file in root folder. Also when you open that hacked page you will listen some beautiful music!! yes.
When I first visit (I think at 11.00PM) that hacked bsnl page, no music was added. But after some time (at 11.30PM) when I Reopen that hacked page I started listening music. It means that hacker still updating the html page.

The person image which is showing on hacked page is linked from facebook account that is at
https://fbcdn-sphotos-a.akamaihd.net/hphotos-ak-ash4/299579_234574613265959_100001402653501_691191_837614642_n.jpg
These type of urls are provided by facebook when you uploaded any photo’s to your profile.
The music is linked from
https://pakleets.com/muzik/khan.mp3
The hacker gave the reason why he has hacked BSNL website by saying “Indian G**** hacked our Paki sites” (you can view full message given by the hacker by clicking on the above image).
Anyway, this is not the first attack on our government websites. What you think about this type of cyber attacks? share your opinion on comments.
Update (27/10/2011):
Seems he managed to hack few other pages, you can find those hacked page here
https://www.upe.bsnl.co.in/
https://www.upe.bsnl.co.in/index.php?option=com_wrapper&view=wrapper&Itemid=7
When we researching we noticed that, he completely hacked BSNL U.P. ( Uttar Pradesh (East)) telecom circle. You can visit any bsnl upe page it will show it has been hacked.
We tried to trace  hacker KhantastiC haX0r Profile here some of them (We guess)
https://www.pakhack.com/member.php?56-5IL3NT.H4CK3R
https://vimeo.com/khantastic
https://www.xtremeroot.net/Offensive/index.php?showuser=1417 (not sure)
https://www.facebook.com/KhantastiC.h4XOR (already deleted)
https://plus.google.com/117748650392334552365