New Delhi, May 20 -- The Bureau of Civil Aviation's (BCAS) decision to revoke Turkish aviation firm Celebi's security clearance was based on inputs received by the government that allowing the firm to continue with its ground handling in nine airports including Delhi and Mumbai, would be hazardous, the Centre told the Delhi high court on Monday. Opposing a plea filed by the Turkish firm, the Centre told the court that the Turkish firm provided airport and cargo services, and its employees had access to airport premises including the aircrafts, tarmac and other areas. P9...