Government should "refrain from de facto privatisation of these premier remunerative airports in view of its serious repercussions", the Centre of Indian Trade Unions (CITU) said.
"The track record of private operators in Delhi and Mumbai airports and their bungling in levying much higher user development charges vis-a-vis the AAI-managed airports, have thoroughly exposed the pitfalls of allowing private players in crucial infrastructure projects involving public interest," CITU General Secretary Tapan Sen said.
"At this juncture, inducting a private player in this job obviously means allowing them to make undue profit out of public resources," Sen, also a Rajya Sabha MP, wrote.
He charged the government with flouting an agreement of a tripartite committee, comprising representatives of the government, AAI and employees unions. The agreement underlined that the next phase of modernisation of 60 airports, including Kolkata and Chennai, would be done by AAI.
Quoting reports that global bids for privatising the managements of these two airports would be floated soon, Sen said AAI employees would organise protests across the country on the issue on June 21.