Why the Yellow Stripes in the coaches of a train?

Why the Yellow Stripes in the coaches of a train? So many people are confused at the time of train arrival, ” which coach should they step in ” is there any problem that occurs if we enter this coach “?

I think most of you all faced the above-mentioned problems at the time of the train journey.  Don’t worry we’ll clarify all your doubts here.

If you check the train coach with Yellow stripes it indicates that the coach belongs to Unreserved coach of second class.

By this, you can get a clear picture of which coach is reserved and which is not.