The Hindu. Security preparations are under way for the Opposition’s November 1 ‘Chalo Dilli’ event at Ramlila Maidan. Delhi Police will deploy over 3,000 personnel and instal more than 200 CCTV. Delhi Police to deploy 2,500-3,000 personnel, 450 CCTV and body cams for Congress Ramlila Maidan rally on Nov 1; 14 security zones, traffic control.