Karthi's success graph is colossal as he could reach the league of A-stars within short span of time. Within a shorter period of his career, he has even attempted some bigger roles as before. This time, he plays dual role in this movie 'Siruthai' as a petty thief and an IPS officer. ` The film's theatrical trailer was released yesterday morning at Sathyam Cinemas by Gowtham Menon and Lingusamy followed by the launch of official website. It was a star-spangled occasion as many celebrities from the industry graced over the occasion including Parthiban, Shanmugam, SP Muthuraman, A Jagannathan, Prabu Solomon, Subhash C Bose, Anbu Chezhiyan, Vijay, Rajeevan and cameraman of the film, Velraj and many others were present. Couple of songs along trailer for the special invitees was screened…