Congress's Shashi Tharoor today accused the government of suppressing opposition voices, "arrogant about its brute majority" after four of his party colleagues got suspended by Speaker Om Birla. Manickam Tagore, Jothimani, Ramya Haridas and TN Prathapan.were holding placards in parliament even after being warned against such acts at the all-party meeting, Mr Birla had said. All four have been suspended for the rest of the Monsoon Session, which continues till August 12.