CFCL operates two set of Ammonia and Urea plants at Gadepan in the state of Rajasthan. CFCL-1 & CFCL-2 were commissioned in the year 1994 & 1999 respectively. Both the plants were revamped for increasing capacity and improving energy efficiency in the year 2009. CFCL has two 5000 tonne atmospheric ammonia storage tanks. This paper in general describes the philosophy adopted at CFCL for Operation, Maintenance and Inspection of the Ammonia Storage Tanks. CFCL considered factors affecting integrity of tanks and carried out risk based inspection (RBI) study. The paper also gives the action plan as a result of RBI study.