Home page o f"Norbhaya" .Here you  have 4 options. 1.Locate Me :This will send your location details to authorities and your family.

2.Alarm:This will turn on a high volume alarm,so near by people can hel you.

3.SMS you can even simply click on "SMS" This will send Auto generated/Manual SMS to your family or friends 

4.Capture :If you get one chance to take pictures of criminals  then you can capture and send to authorities.This will automatically send your location info also.