India requested Pakistan to let Modi's aircraft fly over its airspace to Bishkek in Kyrgyzstan.
Emirates and Etihad Airways have over the past year continued to lobby India to allow them more flight slots, which won't be possible until the 2007 pact is revised.
The government is looking to sell 10-20 per cent of its holding in national carriers Air-India and Indian Airlines in their initial public offer, Civil Aviation Minister Praful Patel said on Monday.