Mumbai, April 26 -- Domestic carriers that have been temporarily awarded slots of Jet Airways (India) Ltd at India's busiest airports of New Delhi and Mumbai stand a chance to gain them permanently if the grounded airline fails to find a new buyer. InterGlobe Aviation Ltd's IndiGo and Spice- Jet Ltd are among carriers that have already announced a slew of flights utilizing temporary slots at these two airports. Slots at the two airports are hard to come by for new airlines as most have already been used by legacy carriers. "If Jet is to revive and come back with its fleet of 119 aircraft-that it operated during its peak-all the slots that are temporarily given to other airlines will be returned to them," said a senior civil aviation ministr...