Three challans (legal charges) have been filed against residents of Himachal Pradesh in a cryptocurrency scam case. The scam allegedly involved duping people into investing in a fake cryptocurrency exchange platform. The accused were allegedly offering high returns on investments and falsely claiming affiliation with government agencies. They also lured victims through social media advertisements and fake news articles. The challans were filed by the Enforcement Directorate (ED), a financial intelligence agency in India. The ED investigated the case after receiving complaints from several investors who lost money in the scam. The article doesn't mention the specific amount of money involved in the scam, but it highlights the growing concern about cryptocurrency-related fraud in India.