This development has come two days after Delhi police nabbed 8 persons with Improvised Explosive Devices (IEDs). These detainees were said to be part of a plot to carry out attacks in Delhi and nearby places.
According to reports, three unidentified men were seen entering Hindon Air Force Station in Ghaziabad district on Thursday night.
The gates of the air force station have been sealed after search operation failed to nab any one. All staff at the air base have been asked to remain indoors, reported Zee News.
The security of all key installations and government buildings has been beefed up after the arrest of 12 JeM militants.
Read More: Major terror attack averted in Delhi
In the past two months there have been several intelligence bureau inputs suggesting that Pakistan based militant groups would try and attack the national Capital.
JeM is suspected to be behind terror strike on the strategic Indian Air Force base in Pathankot on January 2 this year.