What is the preferred coach number?
What is the preferred coach number? Preferred Coach ID is an optional preference provided by IRCTC during the booking of a train ticket. You can select a coach of your choice while booking the ticket. However, please note that this preference is subject to availability and cannot be guaranteed by the railways.
Which is better 2A or 3A?
Class 2A is a medium fit. Class 3A is a tight fit used where a closed fit between mating parts is required.