STR has signed up as a brand ambassador for seven up, a popular soft drink. He is shooting an ad for it currently, which was why filming of Vettai Mannan which had been scheduled for November 28th at Binny Mills had to be postponed to December 9th.
Stylish Star, Allu Arjun popular Telugu star is also endorsing this brand and he is also shooting the ad. Coincidentally, STR also appeared in the Tamil remake of Allu Arjun's Vedam.