Billionaire Elon Musk's Tesla will set up an electric-car manufacturing unit in the southern Indian state of Karnataka, according to a government document. "The US firm Tesla will be opening an electric car manufacturing unit in Karnataka," the state government said in a brief statement. The statement was part of a broader document outlining the highlights of India's budget to its people in the local language of Kannada. Last month, the electric car maker incorporated Tesla Motors India and Energy with its registered office in the city of Bengaluru in Karnataka, a hub for global technology companies. State chief minister B. S. Yediyurappa had then said in a tweet, which was subsequently deleted, that Tesla would start its operations in India with a research and development unit in Bengaluru. It was not immediately clear if the Saturday statement was referring to the same unit. Tesla and the office of Karnataka state chief minister did not immediately respond to requests for comments. Mr Musk has tweeted several times about the company's impending foray into India, Asia's third largest economy. In December, Tesla chief executive confirmed in an exchange on Twitter that the car maker will launch operations in India in 2021. India has been keen to reduce its oil dependence and cut down on pollution, but its efforts to promote electric vehicles have been stymied by a lack of investment in manufacturing and infrastructure such as charging stations. To boost investment, India plans to offer $4.6 billion in incentives to companies setting up advanced battery manufacturing facilities, Reuters reported last year.