I hereby declaring that, in any time of my life i never aboard this train again
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In case you do not have any other option(train), what shall you do. Imagine a situation where all the trains are full and seats are available in this train. You badly need to travel. So, in that case wont you take this train.
Yesterday, you had...
more... a horrible experience in this train. But you may not have such an experience in future.
I agree, there are worst coaches. But you cannot say speed is worst and timings are worst.