This was the POC work for a much improved version which has been built now under the name Project Shhor and has won an International Hackathon by United Nations Populations Fund: https://www.shhorai.com
This is a reddit bot that detects hate speech in hindi-english code mixed comments in a subreddit, and warns the user posting hate speech upto three times and then permanently bans the user with a message.
The detection is done with distil-bert model built on hindi-english code mixed dataset of 12433 annotated sentences.