The correct answer is Rocket launcher systems.Pinaka:Pinaka is an indigenous multi-barrel rocket launch system, which has been developed by the Defence Research and Development Organisation (DRDO) for the Indian Army.It is an artillery missile system capable of striking enemy territory up to a range of 75 kilometres with high precision.The Pinaka Mark-II Rocket is modified as a missile by integrating with the navigation, control, and guidance system to improve the accuracy and enhance the range.The navigation system of the missile is aided by the Indian Regional Navigation Satellite System (IRNSS).Smerch:The BM-30 Smerch is a heavy multiple rocket launcher, that originated mainly in Russia.It was designed to defeat personnel, armoured and soft-skinned targets in concentration areas, artillery batteries, command posts and ammunition posts.