[en] In our Department, radiotherapy (RT) simulator is mainly used for pre-treatment patient setup verification before three dimensional conformal radiotherapy (3D-CRT)/intensity modulated radiotherapy (IMRT) and for conventional patient planning of palliative and simple curative treatments. After decommissioning of our old RT simulator, a new RT Simulator (Imagin, Panacea Medical Systems, Bangalore) was installed. This is the first piece of the RT simulator which has functional cone beam computed tomography (CBCT) scanner