Contrary to the general perception that close-circuit television (CCTV) cameras can only record incidents, the 3,000-odd cameras in and around the Delhi airport can not only record but also raise an alarm the moment they detect anything unusual.
"With the kind of incidents happening, this is very important for us to ensure the safety and security of the people using our terminal and such cameras are a big helping hand," said a spokesperson of Delhi International Airport Ltd, the airport's operator.
"This makes the job of detecting the person monitoring the footage easier, as it is extremely difficult to monitor the footage from 3,000 CCTV cameras," the spokesperson added.
The footage from the operations side is monitored by DIAL and from areas apart from operations are manned by the Central Industrial Security Force (CISF).
Around 4,500 CISF personnel monitor the airport both from outside and inside. On the road approaching Terminal 3 and Terminal 1,
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