NEW DELHI: The Air India plane crash in which more than 200 passengers were killed on Thursday (Jun 12) has plunged the airline into its deepest crisis yet and will deal a heavy blow to its efforts to revamp its reputation and fleet. After taking the carrier over from the government in 2022, the Tata Group unveiled ambitious plans to reverse years of underinvestment in an ageing and outdated fleet and create a "world class airline", as CEO Campbell Wilson has repeatedly put it, on a par with