The trio, apprehended by the CISF, were allegedly stealing copper based material used for lighting purposes at the terminal facility.
The three have been identified by the security force as Yogesh Kumar, Sunil Kumar and Ashish. They were employees of a private firm engaged by DIAL for maintenance of lighting, CISF spokesperson Hemendra Singh said in a statement, adding that they were stealing 7 kg of material.
All the three were handed over to Palam police which registered a case of theft against the trio, he said.
