@dan Here are some more varietals of some Indian "green" chillies. The black ones are the spiciest variant I have come across personally.
Here is my latest blog post on my research internship at Microsoft Azure Research - Systems team (aka.ms/azrs) last summer where I was an intern with Rodrigo Fonseca and co.
https://vaastavanand.com/blog/2025/Do-you-know-what-I-did-last-summer/
Happy to report that I won 1st place in the Student Research Competition in the Graduate Category at SOSP 2024.
And immediately proceeded to spend the prize money (that I havent yet gotten) on cowboy stuff....