I have 5 berths booked in 2837 HWH PURI EXP... but i hv booked choice for atleast 2 lower berths.. they provided me all non-lower berths... bt i hd provided 2 senior citizen preference for the 2 lower berths... cn i get those at the train...?? coz the persons i hv booked the lower berths hv problem getting upper... Will it work saying the TTE??