Around 100 passenger Auto today staged a protest rally supporting the demand for implementation of the Inner Line Permit System in the state. Around 100 passenger auto gathered at Lamshang at around 8.30 am today and started the rally carrying placards demanding implementation of the ILPS. The passenger auto vehicles were stopped at Iroishemba area by a team of Imphal West police and force them to return back from where the rally was begun.