The performance of indigenously developed IR-suppressor for engine exhaust duct of Advanced Light Helicopter masterminded by the Department of Aerospace Engineering, IIT Bombay is proved successful by ground tests conducted in RWR&DC HAL - Bangalore, in Dec'07. The non-specific stealth design concepts behind this critical component will soon be published in AIAA's Journal of Propulsion & Power, authored by Prof. Mahulikar & his M.Tech. students, Mr. H.S.S. Prasad & Mr. S.K. Potnuru.