Kenya's Mining Cabinet Secretary Hassan Joho has ordered the immediate suspension of all mining and soda ash export operations at Tata Chemicals Magadi Limited. Mining CS Hassan Joho has ordered the closure of operations at Tata Chemicals Magadi. Why Was Tata Chemicals Magadi Suspended? Tata Chemicals Magadi has been directed to halt all mining activities immediately and submit comprehensive documentation proving full compliance with all statutory requirements before operations can resume. Tata Chemicals Magadi is a wholly-owned subsidiary of India's Tata Group, operating through Tata Chemicals Limited, which is headquartered in Mumbai.