InvestmentsTop Global NewsMarketsReal Estate Exclusive: India antitrust investigators see no evidence of collusion by IndiGo, SpiceJet and others – sources By financialnews_rlv83x - February 19, 2020 0 97 Investigators with India’s antitrust watchdog have found no evidence that the country’s biggest airline, IndiGo , and four rival carriers colluded to fix ticket prices, three sources with direct knowledge of the matter told Reuters.