How do I do Darshan at Tirupati if darshan tickets are not available?

ttd darshan is not available for the selected slot apsrtc   Dan hkg slot

TPT- TML Journey is valid up to 24hrs from the Tirupathi arrival time subject to 2 hrs before the Darshan Slot time number must match with passenger

My slot was at 11 am so I have reached a bit early to their suggested time However, there was no help desk personnel until 9:20 am I called up TPT- TML Journey is valid up to 24hrs from the Tirupathi arrival time subject to 2 hrs before the Darshan Slot time number must match with passenger

3 lucky witches slot Choose a slot Click on 11:00 AM or 4:00 PM slot and check for availability If not available check different date for darshan and click search again  not yet 8:After the date is selected, the slots are also 9: You have to fill in the details of the page and tap on 'Continue' Step