Tata AutoComp GY Batteries which is a joint venture between Tata AutoComp Systems Ltd and GS Yuasa since February last year. Tata AutoComp GY Batteries announced that it would invest Rs 100 crore to expand its four-wheeler automotive battery manufacturing capacity to one million units by October this year which would be further scaled up to 2 million units over the coming two-three years. In addition to this, the company would invest Rs 25-30 crore to commence production of two-wheeler batteries by the end of the year. The company has secured orders to supply to Tata Motors Nano, Ace, Indica as well as to other original equipment manufacturers such as Piaggio.