Caustic Soda, a key chloro alkali product has a total production capacity is estimated at 33.0 million tpa. Caustic Soda is widely used by Paper & Pulp industry, followed by alumina production, chemical production, soaps and detergents, textiles and in water treatment. China is the world leader and imports from China is a huge threat to Indian industry. In September 2015, there has been an anti-dumping duty (nil to USD 48.39 per dry tonne) on caustic soda imports from China and South Korea. India imported 550,000 tonne caustic soda in 2014-15 compared to 400,000 tonne in 2013-14.