These include using the vehicles without proper documents and permission, police said.

They said the vehicles were checked at various checkposts by a flying squad of Regional Transport Officers of this city, Karur and Perambalur.

As per Election Commission norms, candidates/parties should have obtained permission for vehicles being used for propaganda, whether cultural shows or mike fitted vehicles.     

An Independent candidate 'Traffic' Ramaswamy had filed a complaint with the Chief Election Commissioner by enclosing video and photographs of vehicles allegedly violating the norms.

Chief Electoral Officer Sandeep Saxsena ordered an inspection by forming a special team and take action against poll violations in using the vehicles.

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