Oil major ONGC Ltd and Chambal Fertilizers & Chemicals Ltd (CFCL) plans to implement a Greenfield ammonia /urea fertilizer project on a suitable site near ONGC newly found gas fields at Khobal in North Tripura district. A Memorandum of Understanding (MoU) was signed between Tripura Government, ONGC and CFCL on April 9, 2013.