Air India is on the verge of announcing an order for 500 aircraft, which would give them an order book similar in size to United Airlines.
They are expected to order 400 narrowbody planes, and 100 widebodies. According to one of the biggest players in airline leases, the order will likely be Airbus A320neos, A321neos and 737 MAXs, plus 787s, 777Xs, and Airbus A350s.