A court later sent Som, Saleem Rana, and Rana to 14 days judicial custody when police produced the trio in execution of a non-bailable warrants issued by it earlier.
The 16 political leaders against whom warrants have been issued include BSP MP Qadir Rana, BJP legislator Bhartendu Singh, BSP legislator Maulana Jameel, Congress leader Saeeduzaman and Bharatiya Kisan Union (BKU) chief Naresh Tikait.
Som was sent to Orai prison, Saleem Rana packed off to the Mirzapur jail and Rana sent to the Banda jail.
Som has been booked on charges of making and distributing a fake CD that showed a man being lynched. Investigations revealed the video was three-years old about an incident in Pakistan. Som is accused of doctoring it and claiming it to be a local one.
He has denied the charges.
Rana, Saleem and Hukum Singh were arrested for allegedly making provocative speeches in the run up to the communal clashes.