Following the incident, activists of the Dalit Sena led by district president Vikas Mediyan staged a demonstration, demanding action against the culprits.
Mr Rizwan said police reached the spot and pacified the protestors and assured them of strict action against the people found involved in the mischief. The signboard was later re-fixed at its place, he said.
Get the latest election news, live updates and election schedule for Lok Sabha Elections 2019 on ndtv.com/elections. Like us on Facebook or follow us on Twitter and Instagram for updates from each of the 543 parliamentary seats for the 2019 Indian general elections.