RPF constable Chetan Singh's violent outburst led to tragic shootings on Mumbai-Jaipur Superfast Express.
Concerns raised about mental health support for law enforcement officers.
Video on social media showing Singh's actions, authenticity uncertain.
Need for addressing mental health challenges and providing training for officers.
Thorough investigation needed to prevent similar incidents.
Importance of recognizing and addressing mental health concerns in law enforcement.
Priority to ensure safety on trains and public transport systems.