A letter purportedly written by Karnataka Congress leader MB Patil to former Congress President Sonia Gandhi detailing a plan to "divide Hindus" in Karnataka before the 2018 assembly election, is fake. Fact-checking platform BOOM found that the fake letter has been viral since 2018 Karnataka assembly election and was posted by BJP Karnataka's official X handle in 2019. BOOM had previously fact-checked the same letter and spoken to Patil who had called the letter fake and also initiated legal action against those sharing it.