Introduction– Primary adrenal Teratoma is rare neoplasm which arises from one or all the three germ layers. Mature teratomas are usually benign but may possess malignant potential, chances of which is lesser in paediatric population than in adults. Case report– We report a rare case of a 1 year old male infant who presented with abdominal distension, more on right side. Abdominal X–ray showed soft tissue opacity in right hypochondriac region with calcification for which Computed tomography done which showed an adrenal mass for which patient underwent major surgery at GCRI. Conclusion– Diagnosis of Adrenal teratoma can be made radiologically with characteristic findings on CECT. Definitive treatment is surgical removal with excellent prognosis.