Mumbai, Aug. 30 -- Lenders to Jet Airways (India) Ltd have extended until Saturday, 31 August, the deadline for submitting expressions of interest (EoIs) to invest in the grounded airline to accommodate a potential bidder, which submitted an EoI after expiry of the deadline, a person with direct knowledge of the matter said. "The deadline has been extended to 31 August after a foreign conglomerate showed interest to invest in the airline post the deadline," the person said on condition of anonymity. South American conglomerate Synergy Group Corp., which owns a majority stake in Colombian carrier Avianca Holdings, the second- largest airline in South America, has shown preliminary interest in Jet Airways, according to media reports. Synergy ...