Mumbai, Nov 14 (UNI) The trailer of "Om: Chapter 1 - Udhiram: The Blood Wood", starring Dhanush, Mammootty, Sai Pallavi and Sreeleela, has been unveiled, giving audiences a first look at its action-driven storyline and intense confrontations. Directed by Rajkumar Periyasamy, the trailer for this action drama is packed with stunning visuals, elaborately shot action sequences, and epic clashes. It offers a glimpse into the film's exciting world and the cinematic experience it promises on the big screen. In the trailer, Dhanush delivers powerful action in his signature style, while Mammootty impresses audiences with his silent yet commanding presence. Pallavi,…