TL;DR
It's an easy process and you can get it corrected in a matter of 3 business days. Always have an open-ended Airticket back to the US.
Audience
The experience I will be narrating shortly happened in India during the peak VISA interview season of May-Aug 2022 where a simple 10-day Dropbox approval ran past 6 weeks sometimes in consolates like Chennai, and Hyderabad.
Scenario
Following your Dropbox or In-Person interview, the VISA was issued but when you collected the passport you found an issue in the data, it could be,