BUSINESSTata Agratas Builds In-House Tech for EV BatteriesTabassum ChaudharyAugust 4, 2026August 4, 2026 August 4, 2026August 4, 2026 Tata battery arm Agratas is developing its own LFP cell technology in-house after China tightened export curbs on critical know-how. This marks a real shift...