NEW DELHI : The COVID-negative test reports of passengers from four Indian laboratories should be rejected, the Dubai Civil Aviation Authority (DCAA) told the Air India Express on Monday.The laboratories are Suryam Lab in Jaipur, Microhealth Lab in the cities of Kerala, Dr P Bhasin Pathlabs (Private) Limited and Noble Diagnostic Centre in Delhi, the airline said on Twitter.On September 18, Air India Express flights were suspended for 24 hours by the DCAA for bringing two passengers with COVID-positive certificates on August 28 and September 4.According to rules in the United Arab Emirates (UAE), passengers travelling from India are required to bring original COVID-negative certificates from RT-PCR tests done within 96 hours prior to the.