It gives attackers an electric shock, and automatically texts for help.
One of the developers, Manisha Mohan, told the Times of India: “The lingerie with global positioning system, global system for mobile communications and also pressure sensors is capable of sending shock waves of 3,800 kV as well as alerts to parents and police. A person trying to molest a girl will get the shock of his life the moment pressure sensors get activated, and the GPS and GSM modules would send an SMS [to the Indian emergency number] as well as to parents of the girl.”