BPSC AAO answer key 2022 released released at bpsc.bih.nic.in, link here
BPSC has Assistant Audit Officer (Preliminary) Competitive Examination 2021 answer key released.
The Bihar Public Service Commission (BPSC) has released the provisional answer key for the Assistant Audit Officer (Preliminary) Competitive Examination 2021 on August 26. Candidates who took the BPSC AAO exam can check the result on the official website at bpsc.bih.nic.in.

Candidates have till September 5, 2022, at 5:00 PM, to raise any objections regarding the published answer key.
Here's the direct link to download the BPSC AAO answer key 2022.
AAO answer key 2022: Know how to check
Visit the official website at bpsc.bih.nic.in
On the homepage, click on the answer key link
The provisional answer key will be displayed on the screen
Check and download the answer key
Keep the hard copy of the same for future reference.