In the case of LCA, Its not HAL fault, but ADAs, CoVid and GoI.
ADA is the R&D org for LCA, not HAL
From 2010 t0 2019 HAL build 16 LCA ioc, from 2019 to 2023, 16 foc and now building/delivering 8 trainer, HAL can only build LCA after getting permission from ADA.
LCH is HAL product, so they can...