New Delhi: Delhi Police has registered four FIRs so far and is in the process of filing two more in connection with violence, vandalism and other incidents during the "Sansad Chalo" march organised by the Cockroach Janta Party (CJP) and farmers' groups on July 20, police officials said on Tuesday.The cases were registered at Parliament Street, Connaught Place and other police stations, and invoke multiple provisions of the Bharatiya Nyaya Sanhita (BNS), the Arms Act and the Prevention of Damage to Public Property Act, they said.Also Read: Opposition targets government over lathi-charge, Lok Sabha stalled; Congress silent on CJPOne FIR was lodged in connection with the violence and stone-pelting near Regal Cinema at Connaught Place, while separate cases relate to unlawful assembly, unauthorised flying of a drone during the Parliament session and an alleged conspiracy behind the violence, a police source said.Also Read: Sonia Gandhi visits police station to visit detained PriyankaTwo more FIRs are being prepared in connection with assault, taking the law into one's own hands and other related offences, he said.