Tata Chemicals is investing ₹135 crore to boost soda ash production by 350 kilo tonnes per annum at its Mithapur plant and ₹775 crore to add 50 kilo tonnes per annum of precipitated silica capacity at its Cuddalore facility. These expansions aim to meet growing demand in sustainability and the automotive sector. The company recently reported a 60% year-on-year drop in Q2FY26 net profit to ₹77 crore, with revenue also declining.