CHENNAI: Lithium-ion cells developed by the Central Electro-Chemical Research Institute (CECRI) have attracted considerable demand from the Indian users and industry. Indian Railways and the Defence have shown interest in buying the cells. “We have enquiries worth ₹3,000 crore, including ₹1,000 crore from the Railways alone,” says S Gopukumar, a Chief Scientist with CECRI, who has been […]