Accenture IT Operations 2019 22nd June : Unable to edit application

Greetings,
I’ve mistakenly entered Pune as my preferred location for IT operations associate drive to be held on 22nd June 2019 (Bangalore/Pune/Kolkata) location.
I want to change it to NCR location. How to do this? Please help me out!
I’ve tried calling the numbers mentioned on contact us but they’re either switched off/not reachable.
My elitmus test is on 23rd June 2019 in Delhi.

hey @sharmar2615 , I am unable to upload the LOA and it is showing not valid loa document if you have any idea about this can you please help me out.
thanks