The Light Combat Aircraft (LCA) Tejas is an indigenously developed multirole fighter aircraft designed and manufactured by Hindustan Aeronautics Limited (HAL) for the Indian Air Force (IAF) and the Indian Navy (IN). The Tejas is a single-engine, lightweight fighter aircraft that can be used for a variety of missions, including …

  Deepavali is the festival of lights and remarkably celebrated with a variety of crackers. But the traditional crackers pose challenges such as air pollution, noise pollution and health hazard. Amongst the ill effects discussed, exposure to toxic chemicals is the least discussed health problem of traditional crackers. Toxic metals …