An FIR was registered against a Nagpur-based Congress leader for allegedly making derogatory remarks against Prime Minister Narendra Modi during a protest held near the Enforcement Directorate's office, police said.

A case was registered against former Nagpur unit Congress president, Sheikh Hussain, at the Gittikhadan police station on Tuesday night after local BJP leaders submitted a memorandum to DCP, Zone I, Sandip Pakhale. No arrest is made so far.