+1(514) 937-9445 or Toll-free (Canada & US) +1 (888) 947-9445
you get an application no. as soon as you apply, UCI can be given later ... i applied om 9th july only , got the application no. the same day but the acknowledgment letter came on 23rd July....
It ain't automatic, it's generated automatically, but is triggered manually... i applied on 17th july :( offline and no acknowledgment :(

I have applied on 3rd July offline still no acknowledgment!!!
 
I applied on 19 July
Delhi ambessy gave me acknowledgement letter two times 2 aug & 16 aug .now I m just w8