My case is exactly same as you. I applied under AIP and below are my timelines...
Portal 1 - July 13
Responded with details on July14.
Portal 2 - Waiting...
I too sent a reminder to the same email ID yesterday (Aug 1st) without any acknowledgement email/message and still waiting to hear back...
Very frustrating...
Please keep me posted in case if you receive anything and I too will...