In time the scheme will cover almost all parts of the nation like it is in other Western countries...
The government expects the first flight under RCS (regional connectivity scheme) to take off by the end of this year or early January 2017.
Global airlines grouping International Air Transport Association, in its latest 20 years forecast, has projected that India would add 322 new fliers in its total 442 million air passengers by 2035.
Under the scheme, government also plans to upgrade 50 unserved and underserved airports in the country, which would further boost air connectivity pan-India.
There are 394 unserved and 16 under-served airports
(Source)