Challenges abound as Tata draws up flight plan for Air India

Tata Sons' $2.4 billion purchase of debt-ridden, government-owned Air India will give the conglomerate immediate access to valuable flying rights and landing slots that will help it claw back market share from foreign rivals.But industry executives warn any success will be a long and complicated process that could cost it more than $1 billion and require fixing myriad problems, including its worn-out fleet, poor service and the lack of a charismatic leader.