Thakka Thakka opens with the disturbing scene of a teenage girl, Thulasi (Leema Babu), being sold into prostitution by her father. This initial depiction of the girl’s suffering forms the most compelling part of the movie. While the story arc—a woman raising her child in a brothel and sacrificing everything to protect him—isn't entirely new, the filmmaking itself is quite good, helped along by Sujith Sarang’s atmosph…