Aircraft Mounted Accessory Gear Box (AMAGB) is a critical Line Replacement Unit (LRU) and forms a part of Secondary Power System (SPS) of LCA Tejas. AMAGB is incorporated with technical features, such as, lightweight, compact, high speed, single input and multi-output gearbox of aeronautical standards and self-contained lubrication system. Indigenous AMAGB has successfully logged more than 6000 flying hours. The ToT has been transferred to HAL(E), Bangalore and production is under progress for Series production aircrafts.