OUR STAF REPORTER KARACHI - PIA employees gathered to celebrate pay increase of 20 per cent, spokesman of PIA said here on Monday. He said employees of Pay Groups I to IV gathered at PIA MD office where President Peoples Unity of PIA employees (CBA), Amir Shah and office-bearers including SVP Peoples Unity, Mauladad Laghari presented a bouquet to MD on behalf of PIA employees. The employees expressed their gratitude to MD, particularly to President Asif Ali Zardari for the salary increase which was announced earlier by President during his visit to PIA Head Office.