Smartchem Technologies Ltd. (STL), a 100% subsidiary of Deepak Fertilisers and Petrochemicals Corporation Ltd. (DFPCL), said it would invest ₹2,200 crore to set up a technical ammonium nitrate (TAN) complex at Gopalpur Industrial Park in Odisha. The project at Tata Steel Industrial Park, Gopalpur, will have a capacity of 377 kilo tonnes per annum (ktpa), and is expected to be completed by August 2024.On completion and commencement of the project, Odisha would become a key source of TAN to the entire Eastern belt where majority of mining and infrastructure growth is foreseen in future.