The problem with corruption within India is so endemic, not only within the aviation sector, but all areas that are regulated by the government. There is no other way of putting it but India is out of control. Those taking bribes are the only ones who have their fingers on the pulse.
With that being said, self policing is just not an option. The public deserves more reliable assurances. Oversight committees from other agencies such as EASA or FAA need to be created and approved by ICAO.