Tata group Chairman N Chandrasekaran on Friday said the conglomerate plans to invest in lithium ion battery manufacturing in Gujarat. Speaking in Gandhinagar at the Vibrant Gujarat Global Summit, he said group firm Tata Chemicals is also looking to enhance its soda ash capacity to one million tonnes annually. "Many of our group companies like Tata Chemicals and Tata Motors have very significant presence here. We look forward to continuing our investment in the state," Mr Chandrasekaran said.