It's tough for Akshay Devadiga to lie in his hospital bed - his back has a maze of lurid blue bruises. His arms are wrapped in parts in bandages. But at least he is alive. The cow vigilantes who attacked his friend and him in Karnataka's Udupi district were unsparing, their sharpened pieces of iron and rods creating injuries so serious that Praveen Poojari, a BJP worker, died four hours later.