@other bloggers.
Mr Hetul is correct. Here is the rule:
Partconfirm/RAC/Waitlist
a. If on one PNR there is more than one pasenger and one passenger is having confirmed/RAC statusw and rest are on waitinglist or vice versa, names of all the passengers booked on such PNR will appear on the chart.
b....
more... A certificate can be obtained from the Ticket Checking Staff in the train regarding non travelling of waitlisted passengers (note this carefully) on such tickets refund can be obtained thereafter (again note carefully last word)
(Trains at a glance Pages 257..)
Good wishes. There may be typos because I have typed it out !