India, Oct. 4 -- Nowadays, actors often go out of the way to acquire skills that help them portray roles effectively. Tara Sutaria is the latest to join the list. The young actor, who plays a mute girl in her next, Marjaavaan, learned sign language "for a few months" before she started filming. Interestingly, her training with a sign language coach, Sangeeta Gala, started while she was working on her debut film, Student of The Year 2....