This is not the first Airbus work Mahindra Aerostructures has taken. The two already cooperate on rotorcraft structures, with Mahindra making fuselages for the Airbus H125 and H130 helicopters, and in 2016 Mahindra secured a contract for AS565 MBe Panther airframe parts - reported as the first Tier-1 manufacturing contract awarded by Airbus Helicopters to an Indian company. The new agreement extends that relationship from helicopters to fixed-wing commercial aircraft structures, which is a step up in scale because the A320 family is Airbus's highest-volume programme.

Aerospace supply chains are among the hardest to enter, because certification requirements make an established supplier very difficult to displace. A multi-year contract for primary structure on a high-volume commercial programme therefore says something an assembly or maintenance contract does not: an Indian firm has been cleared to make load-bearing parts of an Airbus airliner. That is why the announcement is read as evidence for the aerospace manufacturing story rather than as an ordinary corporate order, and why Airbus's stated intention to raise its Indian sourcing to around USD 2 billion before 2030 is the figure to carry into the exam hall alongside the contract itself.