Mumbai police have registered an FIR against unidentified persons after NCP (SP) MLA Rohit Pawar showed the preparation of a fake Aadhaar card in US President Donald Trump's name and its use to register bogus voters, officials said on Thursday, reported news agency PTI.

Pawar, during a press conference on October 16, demonstrated how the fake Aadhaar cards were being prepared on a website and used to register bogus voters.