Hindustan Aeronautics Ltd. (HAL) has been conferred with the "Navratna" status by the GoI in June 2007 and is the largest Defence Public Sector Undertakings (DPSU) in terms of value of production according to the MoD Annual Report 2016-2017. HAL is the 39th largest Aerospace Company in the world in terms of revenue (in USD million) in 2016 according to Flight International. HAL is engaged in the design, development, manufacture, repair, overhaul,...