This is a Notable Operational milestone.
This was the first prototype (TD-1) and was flown by HAL's chief rotary wing test pilot, Wing Commander (ret.) Unni Pilai, and Group Captain (ret.) Hari Nair.
Source: "Indian Air Force/Hindustan Aeronautics Limited (HAL) Light Combat Helicopter (LCH)", Mike Hirschberg, AHS 2018 VTOL History Calendar - October