Siemens Limited manufactures and sells electric motors, generators, transformers, electricity distribution and control apparatus, general purpose machinery, other electrical equipment, electronic components, and optical products in India and internationally. The company operates through five segments: Energy, Smart Infrastructure, Mobility, Digital Industries, and Portfolio Companies. The Energy segment provides integrated products, solutions, and services for oil and gas production, and power generation and transmission. This segment serves utilities; independent power producers; and engineering, procurement, and construction companies. The Smart Infrastructure segment supplies products, systems, solutions, and services for transmission and distribution of electrical energy for power utilities, industrial companies, and infrastructure segments. This segment offers systems for low and medium voltage distribution; solutions for smart grids and energy automation; and low voltage power supply systems, as well as intelligent and connected infrastructure for grids and buildings. The Mobility segment provides solutions for passenger and freight transportation, including rail vehicles, rail automation systems, rail electrification systems, turnkey systems, and related services. The Digital Industries segment offers products for automation and digitalization of discrete, hybrid, and process industries. This segments portfolio consists of industrial software and automation, and drive technology products for optimizing manufacturing value chain, covering product design, production planning, engineering, execution, and customer services. The Portfolio Companies segment supplies products and services of low-voltage motors. The company engages in the lease rental business. It also installs industrial machinery and equipment. The company was formerly known as Siemens India Limited and changed its name to Siemens Limited in March 1987. Siemens Limited was founded in 1867 and is based in Mumbai, India.