I just sent them an email asking for the confirmation of receiving my documents. Almost within 5 minutes I got the following response -
"Thank you for your inquiry,
The current processing time for an FBI Background Check is taking 11-13 weeks to complete from the date the request was received. It can take 10+ weeks for a request to clear our security process before we are able to see the request in our system. At this time we are opening mail we received on approximately 8-24-2015 it is too early to see the request(s).If you submitted your request by courier (Fed Ex, UPS, or USPS), please view their web site to verify delivery.
Unfortunately, no requests can be expedited at this time due to the amount of work. Please be sure to supply your full name, address, and date of birth when requesting a status update.
Thank you
Monica
If you need further assistance please contact:
Customer Service Group
(304) 625-5590
Office Hours Monday-Friday
8:00am-5:00PM EST
liaison@leo.gov"
Well I guess they won't confirm or deny it. So its a wait and watch game from here on......but...at least I got to know that they are opening the mails received around 24th Aug 2015