The Bureau of Civil Aviation Security (BCAS) is in the process of putting in place tighter security check norms like this, in line with those in the US and Europe, following higher threat perception, official sources said.
However, it may take a few more weeks as the required technology, like sophisticated door-frame metal detectors, is still not in place at all counters of the airport, they said.
If shoes, clothing items or other accessories containing metal set off an alarm, the security screener would insist on further checks, including pat-down frisking.
They said the metal detectors would allow passengers not having any metal on their person to pass through without a pat-down.
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Currently, its takes around two to three minutes for the Central Industrial Security Forces (CISF) personnel to clear a person during the security check but with implementation of the new proposal, this is likely to increase to 5-7 minutes, an airline official said.
BCAS had recently carried out a trial run of the system at Terminal 1D to access the problems that may crop up when the system is put in place, but the official sources said the response was not good as proper infrastructure was lacking.
Similarly, the fliers here would soon have to put all their belongings and cabin baggage in a tray along with the footwear when they pass through the metal detector.