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. ONGC Tripura Asset has expedited exploration of gas in the state that would be supplied to the proposed fertiliser unit.