Life threatening air conditioning of Indian railways.
Air filters used by Indian railways are of 100 microns whereas filters of 10 micron or lower are essential to prevent spread of infections from a infected traveller to other co travelers.
Lower temperatures essential to prevent infections are often not maintained because someone not used to air conditioning keeps complaining.
The air conditioners are switched on only after the train leaves from its originating station and passengers are exposed to unhealthy environment for a long time.
Will someone look into this. more