E - Darshan tickets can be booked from various E-Darshan counters located in various towns/cities of India, mostly at the respective TTD Information centers. For Darshan tickets all the devotees have to go to the counter. Their photographs and fingerprints will be taken and the ticket will be issued as per your requirement. Your photograph and fingerprints will be verified as you enter the sanctum sanctorum in the Vaikuntam Q Complex.
You can also book for your accommodation simultaneously.
You can see e-darshan counters list here,