The stock gained 4.23 per cent to Rs 196.70 on BSE.
On NSE, it climbed 4.43 per cent to Rs 196.60.
Tata group's agro-chemical firm Rallis India will acquire an additional 26.37 per cent stake in its arm Zero Waste Agro-Organics for nearly Rs 20 crore, making the company a wholly-owned subsidiary.
After the acquisition, Rallis India's stake will increase to 100 per cent in Zero Waste Agro-Organics Ltd (ZWAOL), which manufactures organic compost.
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