A 15-year-old girl student presently a 10th grader from a state high school was diagnosed with Pierre Robin syndrome during the first month of life, thus was informed that she had not been immunised since birth. A detailed history was obtained, which revealed that she had complaints of flattering weight, severe malnutrition and respiratory distress and no history of neuro-developmental delay. Family history: twins were born, the other twin passed away (stillbirth), and no apparent congenital anomalies found. Thus, past data was found to be that she had a history of halitosis and hearing abnormalities. On subject interrogation, there was no history of recurrent cold or cough, spinal abnormalities, bowel, and bladder dysfunction. The child was dysmorphic; had lower centiles of her BMI for her age, pallor of skin, retrognathia, crowned teeth, and mandible deformity. Cardiovascular system examination-no murmur. No abnormality was detected on two-dimensional echocardiography. Hence, mandibular osteotomy was done carefully after correction of anaemia by considering all the above conditions. The child improved and got discharged within a week.