Chennai operates under a coordinated emergency response system administered by the state.
* **Police**: 100 (Greater Chennai Police) * **Fire & Rescue**: 101 * **Ambulance**: 108 (State-wide free emergency medical response) * **National Emergency Response (ERSS)**: 112 * **Disaster Management**: The Tamil Nadu State Disaster Management Authority (TNSDMA) handles crisis coordination, which is particularly vital during the northeast monsoon season when the coastal city is vulnerable to cyclones and flooding.
