The agency acted swiftly on a reference from the government in Bihar, the home state of 34-year-old Rajput, where his family had lodged an FIR against Chakraborty.
Protests broke out in some states on Friday, including Delhi's Jama Masjid and stone-petling at policemen in Uttar Pradesh's Prayagraj and Saharanpur, over the controversial remarks on Prophet Muhammad by two now-suspended Bharatiya Janata Party functionaries with demonstrators in Jharkhand injuring a few policemen while authorities in Jammu imposed a curfew in few areas and parts of Kashmir observed a shutdown.