Tata Chemicals Q4 results: The 3rd-largest producer of soda ash in the world has reported a ₹841-crore net loss in the quarter, as per a filing. Tata Chemicals Q4 has posted a net loss in the quarter. Tata Chemicals EBITDA was reported at ₹443 crore, which had dropped from ₹965 crore in the year-ago period and EBITDA margin was also …