Chambal Fertilisers and Chemicals (CFCL) commenced commercial production of technical ammonium nitrate at its Gadepan complex in Kota district, Rajasthan, on 20 August, the company confirmed in a stock exchange filing. The unit produces prilled high-density ammonium nitrate (HDAN) and has a capacity of 240,000 t/a. An integrated weak nitric acid plant at the same site has a capacity of 210,000 t/a and supplies the downstream unit. Larsen & Toubro executed the works on a lump-sum turnkey basis under a technology licence from Casale, it said.