To protest against the proposed enactment of Citizenship (Amendment) Bill a 12-hour blockade called by the Indigenous Nationalist Party of Tripura (INPT) is likely to enforce a blockade in the Assam-Agartala highway and the railway line at Champaknagar in West Tripura District on December 5 (today), reports Assam Tribune. Security has been beefed up along the national highways and railway line.