A proposal in the draft Civil Aviation Policy, to waive five years of domestic flying as a pre-condition for private airlines to operate overseas, is under the Delhi High Court scanner. A PIL has challenged a new version of the National Aviation Policy 2005, allowing only Indian carriers with five years domestic flying experience and a minimum fleet of 20 aircraft to schedule flights abroad.The petition filed by NGO Social Action Forum for Manav Adhikar said the proposed amendments in the aviation policy, pending nod from a 12-member Group of Ministers headed by External Affairs Minister Pranab Mukherjee, was met with disapproval from various Union ministries.