Sir jee pehli baat, whats the point in getting the wheels rotated only @ 1k kms?
Secondly, the ghooom ghoom sound is the ABS if I am not wrong. Tyres got nothing to do with this, I have the same tyres on my city and they rock, no problem whatsoever, except for the fact that I didn't let anyone come near the car.
I am sure they didn't adjust the disc pads properly and let me tell you: a mistake of a mere millimeter can cause the tires to lock up while braking and the ABS will kick in as soon as the sensors read a sudden drop in speed.
However, one thing u haven't made clear, does the sound change with the brake force applied? I mean, there is obviously a difference when the pedal is slammed and when its depressed slowly.