It shouldn't come as a shock, but this Nano isn't meant for high-speed pursuit. According to Indian Autos Blog, it was designed for a special police unit, tasked with protecting the women and children of New Delhi. Prepping the Nano for this noble cause has meant outfitting it with the aforementioned light bar, along with sirens, while an 80-watt amp has been fitted to manage the power needs. A medical kit and flashlights are available as well, making this Nano more of a first responder than a proper police vehicle.
Take a look at the gallery of images of the Tata Nano Police Cruiser, provided by Indian Autos Blog, up top.