Vallavanukku Pullum Aayudham demonstrates how many filmmakers struggle with efficient storytelling. The movie unfolds over just three days, and ideally, that fact shouldn't be noticeable as viewers become engrossed in the narrative. Instead, it repeatedly draws attention to how much better its source material, SS Rajamouli’s Telugu film Maryada Ramanna (2010), is. That earlier film was a relatively minor undertaking …