"It is clearly an attempt to cause a collapse of many of our domestic airlines, creating a systemic risk for financial institutions, loss to public exchequer and a vital gap in the country's infrastructure," he said in a letter to Prime Minister Manmohan Singh.
Swamy claimed the FIPB decision clearing the AirAsia proposal was "not legally valid with either the requirement/ need of the aviation sector, the recommendations made by various empowered committees, and in fact, directly contravenes the existing policy as per decision of the Cabinet Committee on Economic Affairs".
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Terming the proposal as "a gross and blatant fraud", he urged the Prime Minister to "revoke this impugned fraudulent AirAsia deal", warning he would approach the courts through a Public Interest Litigation if no such action was taken.
A few weeks ago, Swamy had written a similar letter on the Jet-Etihad deal demanding a review of government clearance to it.