What are the security arrangements for I-Day at Delhi's Red Fort?

Ahead of the 80th Independence Day this week, security measures at Delhi's Red Fort has been tightened with over 20,000 personnel deployed and a multi-layered surveillance network in place. More than 1,000 CCTV cameras, facial recognition systems and body-worn cameras have been installed. The Delhi Police and NSG also conducted a joint counter-terrorism exercise to assess preparedness.