Curtains come down on campaigning for Tirupati LS bypoll Updated: Updated: All set for polling tomorrow in 2,470 stations under COVID norms, says Returning Officer Share Article All set for polling tomorrow in 2,470 stations under COVID norms, says Returning Officer Curtains came down on a high-pitch campaign for the April 17 byelection to the Tirupati Lok Sabha seat on Thursday evening. SPSR Nellore District Collector and Returning Officer K.V.N. Chakradhar Babu told a media conference here that all arrangements have been completed to ensure a fair and free polling in the 2,470 polling stations set up fully adhering to COVID-19 protocol and by enforcing prohibitory orders under Cr.Pc.144.