Light combat helicopters (LCH) are developed by:

Hindustan Aeronautics Limited

The correct answer is Option (3) → Hindustan Aeronautics Limited

The Light Combat Helicopter (LCH) is a multi-role combat helicopter developed by Hindustan Aeronautics Limited (HAL), an Indian state-owned aerospace and defense company. HAL is a leading aerospace manufacturer in India and is responsible for designing and producing various aircraft, helicopters, and related systems for the Indian Armed Forces.

The LCH is designed for various combat roles, including anti-tank warfare, close air support, reconnaissance, and anti-submarine warfare. It is equipped with advanced avionics and weapon systems to meet the requirements of modern battlefield scenarios. The development of the LCH represents a significant effort by HAL to enhance India's indigenous capabilities in helicopter manufacturing and defense technology.