New Delhi, July 22 -- The Delhi Police have registered four cases, including one related to a larger criminal conspiracy, and are in the process of filing two more in connection with the violence during the Cockroach Janta Party (CJP) march to Parliament on Monday, officers aware of the matter said on Tuesday. One of the cases pertains to the unauthorised flying of a drone in New Delhi, a high-security zone, when aerial activity is heavily restricted during the Parliament session. Another relates to an alleged conspiracy to incite violence. Investigators claimed to have gathered "significant evidence" during the probe, although they declined to share details, citing the ongoing investigation. Two other cases have been registered for obstructing public servants from discharging their duties, assaulting police personnel, and damaging government property during the protests. Police said two more cases are likely to be registered under Bharatiya Nyaya Sanhita for assault, including one about taking the law into one's own hands. The cases have been registered at Connaught Place, Parliament Street, and Kartavya Path police stations. The First Information Reports also invoke the Arms Act for alleged possession of prohibited weapons. Police alleged protestors assembled unlawfully, disrupted public order, obstructed government officials, indulged in violence, and damaged public property. No arrests have been made. Police said further legal action would be taken based on the evidence collected during the investigation. Tens of thousands of agitators marched to Parliament in central Delhi on Monday demanding the resignation of Union education minister Dharmendra Pradhan over repeated paper leaks and exam irregularities, after a 23-day-old sit-in hunger strike at Jantar Mantar. They braved police batons and tear gas.....