Cute girl Trisha has signed up to be the brand ambassador for two leading brands. While everyone knows that she promotes Fanta, we have the latest scoop on the other one. Trisha is busy shooting for Tata Indicom mobile service. The deal has been a hush-hush affair and it is reported that she has signed the dotted line for upwards of Rs. 50 lakhs. Shooting is also kept a low-key affair and the ads will be splashed all over very soon.