Hi i received this email on 17 July 2017
From: DoNotReply-DELHI-Immigration@international.gc.ca <DoNotReply-DELHI-Immigration@international.gc.ca> Mon, Jul 17, 2017 at 3:00 PM
Subject: Acknowledgement of Receipt
We have received your application for permanent residence in Canada and have created a file with the file number indicated above. Please quote this file number in all future correspondence with our office.
on 24 November 2017 i received the same email
DoNotReply-DELHI-Immigration@international.gc.ca <DoNotReply-DELHI-Immigration@international.gc.ca> Fri, Nov 24, 2017 at 9:16 AM
Subject: Acknowledgement of Receipt
We have received your application for permanent residence in Canada and have created a file with the file number indicated above. Please quote this file number in all future correspondence with our office.
i haven't sent any additional document after 1st acknowledgement. I don't know why they are sending 2nd acknowledgement of receipt after 4 months.
Application no. and UCI numbers are same as before