nothing is impossible
importent is combine the best among all the aviation.
After formation of EU ,many COUNTRIES who joined EU are becoming JAR based from there individual DGCA"s and bringing common regulations in EU.
its the matter of time when these bigger organisations sit togather and thrash out issues for the good of aviation worldwide.
it will bring more transparency for dgca as well the pilots towards licencing and flying.
which is as of now taken care by issue of spacial licences by dgca in india.
india has gone throu lots of hijacking,bomb threats ,and terrorism related issues. many of those rules concerning security will be a big question mark to change.
every country will have such issues.
even FAA has followed these security related regulations after 9-11.