NEW DELHI : Delhi International Airport Ltd (DIAL) has roped in Genestrings Diagnostic Centre to set up and operate an on-site covid-19 testing laboratory at the airport and deliver results of all arriving international passengers within six hours.“The pilot initiative has been taken to ensure testing of all arriving international transfer passengers scheduled to board a domestic connecting flight post-arrival in Delhi Airport," DIAL chief executive officer Videh Kumar Jaipuriar said in a statement.The testing facility and infrastructure at Indira Gandhi International Airport’s Terminal 3 has been readied by DIAL with all the necessary audits and approvals from the governing bodies.