Original sentence: Another version, the TM333 2M2, is being developed with reduced power to replace the Artouste IIIB engine in the HAL Cheetah and HAL Chetak helicopters
Edited sentence: Another version, the TM333 2M2, is being developed with reduced power to replace the Artouste IIIB engine in the HAL Cheetah, HAL Chetak, and HAL Cheetal helicopters