Patiala police are investigating an alleged music royalty fraud case concerning the song 'Ishqam,' featuring Mika Singh and Ali Quli Mirza. Notices have been issued to senior officials of UK-based Sentric Music and Mumbai-based Believe Digital, including CEOs and other personnel, to appear for questioning. The investigation stems from a complaint alleging forgery, copyright infringement, and misappropriation of royalties, with two Bangladeshi nationals identified as the main accused. Legal experts note the case highlights the complexities of copyright infringement in the global music industry.