Promoters of SpiceJet do not have funds to bail out the airlines of dire consequences.
SpiceJet has cut the size of its fleet to 22-24 Boeing planes from 35 and will keep it this way for few months.
The company solf the frequent flyer business.
IndiGo's ascent is not without its risks, however.
Jet is losing money fast, beset by high costs, low fares and cut-throat competition in its domestic market.
The court on Tuesday ordered BSES -- part of billionaire Anil Ambani's Reliance Infrastructure Ltd to pay state-run NTPC the Rs 700 crore (Rs 7 billion) it is owed by May 31.
NTPC has vowed to raise the amount of energy it generates from renewable resources