Premise: The Federation of Indian Airlines (FIA) is an airline industry body in India. Its members are Jet Airways, IndiGo, SpiceJet and GoAir. As of March 2017, the four members of the FIA have a combined 80% share of the domestic aviation market. The functions of the FIA are carried out by an Executive Council composed of the heads of each of the member airlines.
Hypothesis: In March 2016, the four members of the FIA had a combined 80% share of the domestic aviation market.