As per Gazette published by Govt of India , all smart phones sold after 1 st Jan 2017 (w.e.f. 1 st April 2017) will have a functionality of panic button which would be activated by
1. pressing power button in succession 3 times in case of a smart phone and
2. similar functionality in a feature phone would be activatedwith press of numeric key 5 or 9 consistently.
This panic button will cause an automatic dialing of emergency number 112.