Historian Ramachandra Guha was detained on December 19 in Bengaluru while taking part in protest against Citizenship Amendment Act (CAA). Section 144 is imposed in Bengaluru amid call for intense protests against new citizenship law. Meanwhile in Delhi, activist Umar Khalid, too, was taken into custody for protesting CAA near Red Fort where Section 144 is in place. Communist Party of India (CPI-M) leader, Kanhaiya Kumar joined protest against Citizenship (Amendment) Act in Bihar's Patna. He said, "This is not the matter of Muslim community, this is the problem of providing documents, poor people not able to provide proper documents, as they roam around to different states for work, uneducated people will suffer more during this process. Can't give citizenship based on documents," said CPI leader Kanhaiya Kumar.