The existing rules require domestic carriers to be in operation for at least five years and have a fleet of a minimum 20 aircraft to be eligible to fly on global routes.
"The Aviation Ministry is giving final touches to the Cabinet note seeking its nod for our proposal to amend the 5/20 rules, which is likely to be taken up by the Government for discussion this week itself," the sources said, adding the note is almost ready.
The proposal, if cleared, will help budget carrier GoAir, besides the AirAsia India and Tata-Singapore Airline and also the the Kerala Government, which plans to launch an international carrier. The two new airlines from the Tata stable are expected to be airborne in the next few months.
The first demand to do away with the 5/20 rules came from Kerala's Oommen Chandy Government in 2011, when it announced plan to launch Kerala Airways for the benefit of millions of residents of the State working in the Gulf region.
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The Nusli Wadia-promoted GoAir has already said it plans to hit the international skies and would be firming up route network in the next few months.
Aviation experts had been calling for a change in the norms to help boost the struggling sector.
"The 5/20 rules are an anachronistic, discriminatory and anti-competition policy that we have been opposing for the last several years. This rule works against the interest of local carriers. Today, a one-day-old airline registered abroad with one aircraft fleet can fly into India without any hindrance but a domestic carrier cannot do so," consultancy firm KPMG India partner and head for aerospace and defence Amber Dubey said in recent note.