Have a monkey infestation problem? If you’re around Delhi, India, you might want to call up Mahendra Goswami. He is a ‘Monkey Walla,’ or ‘Monkey Man,’ one of the many men hired by the Indian government to shoo monkeys away from buildings and areas where people are present. These men entice monkeys to leave by impersonating the sounds of the aggressive langur monkey, often wearing a mask and hiding behind trees, according to the AFP.