Delhi International Airport Limited (DIAL) started with the real-time trial of the full-body scanner at the Terminal 2 of the Indira Gandhi International Airport on Tuesday. DIAL has informed that the Millimeter-wave based scanner, has been given a green signal by the medical authorities for carrying out security checks. DIAL says that it has been found to be accurate and answers privacy concerns. DIAL said the scanners are in line with the directive of the Bureau of Civil Aviation Security and do not pose health risks.