BUSINESSTata Group Invest $1 Bn to Upgrade Air India FleetNeha VermaOctober 11, 2021October 11, 2021 by Neha VermaOctober 11, 2021October 11, 202101346 The Tata group may have to deploy upwards of $1 billion to improve the airline’s passenger reservation system, upgrade and refurbish Air India’s fleet, primarily...