The closet in the center section of the plane offers ample storage space.Taylor Rains/Business InsiderThe Tata Group reacquired Air India in 2021 and invested billions to overhaul its fleet.The airline's new Airbus A350-900 sports a new suite-style business class with sliding doors.Air India is soon launching the jet in the US to appeal to premium fliers.Founded by the Tata Group in 1932, Air India was once the gold standard for air travel — so much so that Singapore Airlines modeled its business after it.But the once prestigious airline faced widespread criticism after it was nationalized in 1953.