Cases against the party's district chief Rupendra Saini, city president Prashant Deshval and trade union leader Ankur Singhal were lodged after they held meeting near a polling centre without the administration's permission, SHO K P Singh said.
In another incident, the police lodged a case against BJP candidate from Budhana Assembly constituency Umesh Malichand for using aloudspeaker and possessing lathis during a procession before filing his nomination papers in Muzaffarnagar, police said.