At Aero India 2025, HAL CMD DK Sunil had announced that 12 LCA Mk-1A aircraft would be ready by year-end, implying that an equal number of engines would likely be shipped to India in the coming months. The Ministry of Defence had signed a ₹48,000 crore contract with HAL in February 2021 for 83 Tejas Mk-1A jets, with deliveries originally slated to begin in March 2024. However, engine supply delays have held up the project, preventing the Indian Air Force (IAF) from receiving any aircraft. Shawn Warren, General Manager of Combat & Trainer Engines at GE Aerospace, described the F404-IN20 as a customized, high-thrust variant for India's single-engine Tejas Mk-1A. It features an advanced high-flow fan, unique single-crystal turbine blades, and specialized components. GE addressed concerns over production delays, explaining that the F404-IN20 engine line had been dormant since 2016 due to a lack of new orders.