El Niño set to crimp India’s sugar output and tighten global market

Nikhil Kamath’s conversation with Chinese battery experts explores whether India should build electric vehicles or focus on batteries. The discussion examines safety concerns around LFP batteries, the potential of sodium-ion and nickel-based technologies, the limitations of solid-state batteries and what India could do to reduce dependence on China’s battery supply chain.

The emerging technical structure highlights the need to exercise caution and warrants a clear strategy to avoid venturing into aggressive long trades.

Researchers at IIT Guwahati have developed a rotating-anode electrocoagulation system that can remove arsenic and fluoride from groundwater simultaneously within minutes. The technology achieved up to 98.2% arsenate and 91.8% fluoride removal in experiments, with an estimated operating cost of Rs 18–Rs 58 per 1,000 litres. Tested with real groundwater from Assam, the system could…