Train Accommodation Scheme (ATAS) for Fully Waitlist Passengers.
At time of booking, the current available seat is in waiting list, passenger would be provided an option to opt for accommodation in alternate train. This would be irrespective of declaration of run of alternate train.
This scheme shall be provided for passengers of all train type.
This scheme shall be provided to all waitlist passengers...
more...

irrespective of availing concession.
ATAS opted passengers booked in fully WL and remain fully WL after charting will only be considered for allotment in the alternate train.
If a PNR is part confirm after chart preparation of original train, it will not be considered for Alternate Accommodation.
Fully WL passengers opted for ATAS should check PNR status after charting.
No extra charges shall be taken from passenger or any refund shall be provided for difference of fare.
This ATAS scheme will be applicable for Duty Pass WL as well.
All passengers of a PNR will be provided Alternate Accommodation.
When an ATAS opted passenger opts to cancel after he has been given an alternate accommodation, he will be treated as a CONFIRMED passenger and the cancellation rules will apply accordingly.
No refund for difference of fare between the original train and the alternate train, including tatkal charges, will be given to re-allocated passengers.
Once an ATAS passenger has been allotted alternate accommodation, modification will not be allowed on such PNRs.
When a passenger allotted alternate accommodation has not performed his journey in the alternate train, he will be given refunds based on the EDR done for the alternate train.
There will be check in the system that the scheduled departure of the alternate train is at least 1/2 Hours and maximum 6 Hours after the main train.
The train type of alternate train will be same as the main train.
Only those passengers whose FROM – TO stations will match in alternate train will be transferred.
The transfer of ATAS opted passengers from original train to alternate train, once done cannot be reversed.
The ATAS opted passengers who have been provided accommodation in the alternate train will not figure in the waitlisted charts of their original train.
Waitlisted passengers of original train shall not be allowed to board the original train if allotted alternate accommodation.
Re-allotted passengers might get dropped/re-allotted in alternate train due to profile changes done in the alternate train at the time of chart preparation.
This information will also be available on Call Centre, PRS Enquiry, IVRS, POET and WEB ENQUIRY.
A separate ATAS list will be generated at the time of chart preparation of original train as well as alternate train and the LIST will be pasted in the stations along with the CONFIRMED and WAITLIST charts.
The passenger allotted alternate accommodation can travel in the alternate train on authority of old ticket.