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Prahaar is a solid-fuelled surface-to-surface guided short-range tactical ballistic missile by DRDO of India. Prithvi is a tactical surface-to-surface short-range ballistic missile (SRBM) developed by DRDO of India under the Integrated Guided Missile Development Program. Dhanush is a variant of the surface-to-surface/ship-to-ship Prithvi II missile, which has been developed for the Indian Navy. Rudra is an attack helicopter manufactured by Hindustan Aeronautics Limited (HAL), for the Indian Army. It is the Weapon System Integrated (WSI) Mk-IV variant of the Dhruv Advanced Light Helicopter (ALH). Rudra is the first armed helicopter being produced indigenously in India.