Attention train passengers! Now keep your phones fully charged if travelling overnight, know why

Now, you will have to keep your phones fully charged as Railways has decided to disallow passengers from using mobile charging stations onboard trains between 11 pm and 5 am. 

source https://zeenews.india.com/viral/attention-train-passengers-now-keep-your-phones-fully-charged-if-travelling-overnight-know-why-2351722.html