'Black Esophagus' or acute esophageal syndrome (AEN) is extremely rare entity characterized by patchy or diffuse circumferential necrosis of esophagus. To date, there is minimal number of cases described with this phenomenon. The main objective of this case series is to discuss the diagnosis of extremely rare condition seen in two patients within 1 year and its effective management by adopting conservative measures in a tertiary hospital. The objective of our case series is to discuss the diagnosis of an extremely rare condition seen in two patients within a short span of 6 months and its effective management by adopting conservative measures in a tertiary care hospital. An overall conservative approach, serial endoscopic monitoring and effective follow-up resulted in zero mortality with successful outcomes.