According to the proposal of SpiceJet, Indigo and AirAsia, travellers would have to shell out for every kilogram of the checked luggage. The proposal, at the same time, envisaged providing incentives, like discount on ticket, for passengers who travel light.When contacted, a SpiceJet official on Saturday said the March 2015 circular of the DGCA allows airlines to unbundle services. An AirAsia India official said he was not aware of the Government stand while an IndiGo spokesperson could not immediately be contacted for his response.