It was just two years ago when SpiceJet was fighting for survival as creditors backed off and oil companies denied to refuel its airliners. As of now, the world's biggest planemakers are wooing the recovering Indian budget carrier for a potential blockbuster order worth about $12 billion. Both Boeing and Airbus Group are engaged in a battle in order to provide SpiceJet with 100 planes, and both of them are ready to offer huge discounts in negotiations which have aggravated in the past few month