On 9 March 2006, the police booked Chohan in a case of creating lawlessness and pulled down 'controversial flag' hoisted on the building. The police also sealed the office and took into possession some objectionable documents, certain flags, some pamphlets and a computer into possession. Chohan's wife disclosed that the currency notes, passports and other documents related to Khalistan were stored in England. Police claimed that Chohan was booked for creating lawlessness by making anti-national statements on Khalistan. A case under Sections 121, 124-A and 505 of the Indian Penal Code was registered against Chohan. Police also investigated Chohan's links with other Khalistani outfits in the World.