BSP chief Mayawati on Sunday said "casteist" and "communal" political parties are having sleepless nights ahead of the urban local body polls in Uttar Pradesh due to her party giving a proper representation to the Muslim community in these elections. "Politics has heated up here due to the BSP giving a proper representation to the Muslim community in the elections for the mayors' posts in 17 municipal corporations. Casteist and communal parties are having sleepless nights due to this," the former Uttar Pradesh chief minister said in a tweet in Hindi.