Velumani Vadiappan founded Siva Wind Turbines in 2005 with head office in Perundurai, India. As Managing Director of Siva Wind, Velumani designed, documented, finalized component supply chain, built prototype, tested and obtained IEC 64100 Type certificate for Siva 250 / 50 kW dual rated wind turbines, installed in 8 countries. Velumani has been a pivotal force in shaping the Indian wind industry and CWET’s certification processes.

In addition to the wind business, Velumani also owns and operates a steel casting foundry, specialized in casting mining parts supplied world over, a CNC machining shop engaged in machining large components and a plastic injection moulded plastic articles manufacturing unit supplying to engineering & domestic industry