If it is PRS booked counter ticket then sms email will no be valid . You have to apply for duplicate ticket
You have not mention whether it is Confirmed/ RAC or WL ticket.
If you have WL ticket then you will not get duplicate ticket
If you have Confirm/RAC ticket then you have to go to nearest PRS and prove your...
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self to Supervisor that your are the guniene holder of the lost PRS ticket then only he will issue duplicate ticket.

but his question is about whether traveller is getting permission from TTE when he can only show Mobile PNR and ID proof.
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Please note the main blogger does not toldl that it is a tatkal ticket so there is no need of ID proof.
Second it is a PRS booked ticket so Mobile PNR is not valid. Mobile PNR sms by...
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irctc will be send only for Eticket.
Also the main blogger does not told that he has whether WL or Confirm ticket
If it is WL ticket then he cannot get the duplicate ticket also.

"Benefit of doubt may be given to defendant"
and here passenger says:
1-he booked ticket from PRS,
2-will he get his seat
from above we can infer he has confirmed ticket, else he...
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will not worry for his seat/berth.
Further, in case of loss of PRS ticket, he has only validly to prove that he is genuine passenger and hence he prefers to show ID proof. Else in normal cases, why will he need to show ID, unless it is tatkal.
So we should accept his question on facevalue.
Raising valid objection is OK.